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# Concave Mirror

## What is difference between concave and convex mirror ?

Asked by 15th March 2008 11:01 PM

## could you please give me the proper defination for CONCAVE,CONVEX MIRRORS,RAY OF LIGHT AND LIGHT.

Asked by 20th March 2008 3:51 PM

## a thin rod of length f/3 is placed along the optical axis of a concave mirror of focal length f such that its image which is real and elongated just touches the rod. calculate the magnification.

Asked by apurva151 14th June 2015 6:25 PM

## What is the sign convention to be taken while solving problems related to image or object distance in case of convex and concave mirrors?

Asked by Umesh 25th October 2017 4:47 PM

## Wha are the uses of plane mirrors, concave mirrors and convex mirrors

Asked by nilachakra2011 11th November 2017 3:38 PM

## A Plano convex lens of refractive index=1.5,silverd at the convex surface behave as an concave mirror of f=20cm.what is the radius of curvature of curved surface? Options are 40cm,20,60,30all in cm

Asked by Priyanka 13th November 2017 9:39 PM

## final image formed at what distance?

Asked by abinash.gupta003 19th December 2017 12:01 AM

## It is desired to obtain an erect image of an object, using concave mirror of focal length of 12cm.  (a)  What should be the range of distance of an object placed in front of the mirror?  (b)  Will the image be smaller or larger than the object.  Draw ray diagram to show the formation of image in this case.  (c)  Where will the image of this object be, if it is placed 24 cm in front of the mirror? Draw ray diagram for this situation.  Show the positions of pole, principal focus and the centre of curvature in the above ray diagrams.

Asked by pdcavita 20th December 2017 6:10 PM

## Use the mirror formula to show that  a)an object placed between f and 2f of a concave mirror produces a real image  beyond 2f b)a convex mirror always produces a virtual image independent of the location of the object c)an object placed between the pole and focus of a concave mirror produces virtual and enlarged image

Asked by vasturushi 2nd February 2018 6:58 PM

## when an object of height 1 cm is kept at a distance 4 cm from a concave mirror its erect image of height 1.5 cm is formed at a distance 6 cm behind the mirror. find the focal length of mirror

Asked by vansh.harkut 17th February 2018 11:18 PM

## Which mirrore form real image and which form virtual

Asked by Ak9639315541 19th February 2018 2:57 PM

## A square loop of wire of side 4 cm is placed 20 cm away from a concave mirror of focal length 8 cm. What is the area enclosed by the image of the wire (assume that the center of the loop is on the axis of the mirror and the two sides are normal to the axis)?

Asked by modi72879 21st February 2018 9:54 PM

## Which type of mirror is used by dentist?

Asked by abhijeet.mishra 14th March 2018 4:08 PM

## PLS EXPLAIN

Asked by gpnkumar0 14th March 2018 9:28 PM

## why a concave mirror cannot be used as a rear view mirror

Asked by geetanjalisahoo74 29th March 2018 11:41 PM

## plz solve the question with explanation

Asked by futureisbright051101 11th April 2018 12:17 AM

## plz solve the question with explanation

Asked by futureisbright051101 11th April 2018 12:18 AM

## plz solve the question with explanation

Asked by futureisbright051101 11th April 2018 6:39 AM

## plz solve the question with explanation

Asked by futureisbright051101 11th April 2018 6:41 AM

## plz solve the question with explanation

Asked by futureisbright051101 11th April 2018 6:43 AM

## plz solve the question with explanation

Asked by futureisbright051101 11th April 2018 6:46 AM

## open the pic and plz solve the question with explanation

Asked by futureisbright051101 11th April 2018 6:58 AM

## distinguish between concave and convex mirrors

Asked by nathsantanukumar 12th April 2018 9:49 PM

## why is a concave mirror called a converging mirror? explain it

Asked by nathsantanukumar 12th April 2018 9:51 PM

## define the principal focus of a concave mirror

Asked by kapugantiprabhutej 27th April 2018 7:52 PM

## An object is placed at a distance of 30 cm in front of a convex mirror of focal length 15cm .write four characteristics of the image formed by the mirror.

Asked by ABHILASHA 13th May 2018 7:51 AM

## An object 4 cm in height is placed at 15 cm in front of a concave mirror of focal length 10 cm .at what distance from the mirror should a screen be placed to obtain a sharp image of the object .calculate the height of the image.

Asked by ABHILASHA 13th May 2018 8:01 AM

## A concave mirror produces three times magnified image on a screen.if the object is placed in front of the mirror.how much far is the screen from the object.

Asked by ABHILASHA 13th May 2018 10:34 AM

## What are the properties of a image produced by concave and convex mirror?

Asked by udit.pati 18th May 2018 10:31 AM

## A child is standing in front of a magic mirror. He find the image of his head bigger ,the middle portion of his body to be of the same and the lower portion to be smaller. What is order of combination for the magic mirror from the top?

Asked by Sanjayamitco 7th June 2018 7:54 PM

## 12 cm is the radius of curvature of concave mirror. The image obtained by it is real and has magnification of the 3/2. Find object distance

Asked by navdurgacrane1997 16th July 2018 8:50 PM

## How far should a concave mirror be placed of focal length 24cm in order to obtain a sharp foccused image . Object is placed 8cm from the screen ????

Asked by CHIDAMBAR 2nd August 2018 8:52 PM

## what is focus point of concave mirror?draw a neat digram to show its position

Asked by chaudharysn165 2nd September 2018 7:43 PM

## state any two rules of drawing geometric images for an object placed in front of concave mirror .

Asked by chaudharysn165 2nd September 2018 7:47 PM

## Prove that 1.sini=sine 2.R=2f 3.1/f=1/v-1/u 4.1/f=1/v+1/u

Asked by Debdulal 12th September 2018 11:02 AM

## What is focus point of concave mirror

Asked by Yuganshawasthi 16th September 2018 7:44 PM

## An erect image 3 time the size of object is formed concave mirror whose radius of curvature 36cm find the position object

Asked by Srj9887780 23rd September 2018 9:58 AM

## How far from a lamp must a concave mirror of focal length 3m be placed in order to throw an image on a screen 8m from the lamp?answer is 4m.draw its ray diagram.

Asked by divjots73 29th September 2018 11:14 AM

## An object 4cm in size, is placed at 25cm infront of a concave mirror of focal length 15cm. At what distance from the mirror whould a screen be placed in order to obtain a sharp image?Find the nature and the size of the image.

Asked by amarapurevathi 5th October 2018 12:22 PM

## An object is placed 20 CM in front of concave mirror of focal length 12 cm find the position and nature of the image

Asked by Sauravkumar9173 15th October 2018 10:12 AM

## how can we find the focal length of a mirror or lenses

Asked by abhishekayush15 11th November 2018 10:17 AM

## can you please provide me with the different location of image and object for spherical mirrors(concave and convex )along with magnification and offcourse the ray diagram .

Asked by hrittik12d 24th November 2018 10:43 PM

## an object is placed 10cm from a concave mirror . The focal length is 5 cm . Determine (a) the image distance (b) the magnification of image.

Asked by kavyalalala2005 29th November 2018 7:42 PM

## An object is placed at a distance of 12cm in front of a concave mirror.It forms a real image 4 times larger than the object. Calculate the distance of the image from the mirror.

Asked by 02shubhamkj 13th December 2018 8:19 PM

## Which type of mirror is used in headlights of car and why?

Asked by agraharianiruddha 12th January 2019 5:44 PM

## 13. A man standing very close to and in front of a special mirror finds his image having a very small head, a fat body and legs of normal size. What is the shape of A) top part of the mirror B) middle part of the mirror C) bottom part of the mirror Give reasons for your choice.

Asked by Nimmi 25th January 2019 6:34 PM

## I saw in some websites that mirror chapter is removed from the syllabus for 2018-19 and will not come in board exam.So, I want to if ot's true or not(please tell me quickly as I have to read it for exams)

Asked by sajal2402 4th February 2019 5:42 PM

## 1. State the position and natureof the imageformed by a concave mirror for the following positions of the object; a. between O and F b. between F and C c. beyond C

Asked by gspublicschool 5th February 2019 10:12 AM

## 1. The interior of a hollow metal sphere is polished to serve as a mirror. At a point 12cm from the centre of the sphere of radius 24 cm, a point source of light is placed. Locate its image formed by two successive reflections, the first reflection taking place at the  (a) far wall (b) near wall.  2. And image produced by a concave mirror is one fourth the size of the object.  If the object is moved 10 cm towards the mirror, its image will be only half the size of the object. Calculate the focal length of the mirror.

Asked by mridulabarua05 7th February 2019 9:10 AM

## The interior of a hollow metal sphere is polished to serve as a mirror. At a point 12cm from the centre of the sphere of radius 24 cm, a point source of light is placed. Locate its image formed by two successive reflections, the first reflection taking place at the  (a) far wall (b) near wall.

Asked by mridulabarua05 8th February 2019 10:04 AM

## What is the difference between concave lens and concave mirror.?

Asked by gspublicschool 14th February 2019 1:50 PM

## Give one situation of real image

Asked by Anjalijaiswal13997 14th February 2019 9:49 PM

## An object is placed at a distance of 40 m from a concave mirror. It forms an image one fourth size of the object  calculate the position of the image from the mirror also focal length of the mirror?

Asked by swapnilboss49 23rd February 2019 7:26 PM

## an object of 5cm height is placed at a distance of 20cm in front of a convex mirror of radius of curvature 30cm. find the position of image its nature and size

Asked by chupraho372 3rd March 2019 9:32 PM

### CBSE X Physics Light - Reflection and Refraction

Asked by malaysaha.80 10th March 2019 9:40 AM

## If a concave mirror has a focal length of 15 cm, find the two positions where an object can be placed to give, in each case, an image twice the height of the object

Asked by sujal.03gattani 12th March 2019 5:38 PM

## Derive mirror formula for concave mirror and state mirror formula.

Asked by polyrelation 14th March 2019 9:17 PM

## A concave mirror forms an image of 20cm high object on a screen placed 5m away from the mirror.the height of the image is 50cms .find the focal lenght of mirror and distance between the mirror and the object

Asked by sridhark91 16th March 2019 7:11 PM

## 1. A concave mirrow has a focal length of 20cms find the position or positions of an object for which the image size is double of the object size . 2. A one cm object is placed perpendicular to the principal access of a convex mirror of focal lenght 7.5cms . find its distance from the mirror if the image formed is 0.6cm in size. 3.A candle flame 1.6cm is imaged in a ball baring of the diameter 0.4cm , if the ball baring is 20cm away from the flame, find the location and height of the image.

Asked by sridhark91 16th March 2019 7:15 PM

## a concave mirror produces three times magnified(enlarged)real image of an object placed at 10 cm in front of it.where is the image located?

Asked by rohitguptagtkk 18th March 2019 8:36 PM

## Position of the object - At a very large (infinite) distance Position of the image - At focus Nature of image - Inverted , real Size of the image - Point image What is its Ray Diagram?

Asked by amishamulani156 19th March 2019 2:43 PM

## A small candle, 2.5 cm in size is placed at 27 cm in front of a concave mirror of radius of curvature 36 cm. At what distance from the mirror should a screen be placed in order to obtain a sharp image? Describe the nature and size of the image. If the candle is moved closer to the mirror, how would the screen have to be moved?

Asked by polyrelation 19th March 2019 8:25 PM

## explain the difference between a plane mirror a concave mirror and a convex mirror whith respeact to size of the images produce

Asked by shaikhnaseema714 30th March 2019 5:05 PM

## solve

Asked by eknathmote50 8th May 2019 10:25 AM

## solve

Asked by eknathmote50 8th May 2019 10:30 AM

## solve

Asked by eknathmote50 8th May 2019 10:33 AM

## An object is placed at 10 cm distance infront of a concave mirror of radius of curvature of 20 cm. Find the position,nature and magnification of the image.

Asked by av601070 27th May 2019 2:52 PM

## A real image 2 times the size of an object is formed by a concave mirror.  When the mirror and the object are shifted,  the image formed becomes 4 times the size of the object. Find the focal length of the mirror if the image were to be shifted 24cm

Asked by bukokaakinsola39 31st May 2019 8:56 AM

## I don't know how to take focal length, image distance and object distance positive or negative in lenses and mirrors?

Asked by lokendersikarwar6 10th June 2019 12:33 PM

## A concave mirror produces a real image and the virtual image of the same magnification at distance of 0.12 m and 0.08 m respectively. The radius of curvature of mirror is

Asked by viharikashankar 18th June 2019 10:42 PM

## An object is placed at a distance of 25cm from a mirror. The mirror produces an image that is 20 cm (i) behind the mirror; and (ii) in front of the mirror. For each case, find focal length of the mirror and nature of mirror.

Asked by sharmaayush7777777 19th June 2019 10:17 AM

## The distance between the object and its inverted image formed by a concave mirror is 25cm. If the magnification produced by the mirror is -2, use mirror formula to determine the object distance, image distance and focal length of the mirror. Draw a ray diagram to illustrate image formation in this case and also mark the distances on it.

Asked by sharmaayush7777777 19th June 2019 2:22 PM

## Mainly concave mirror form real image but when the object is olaced between the focus and pole it will form virtual image of the object  Convex mirror always always form virtual image  This is valid only when the object is real

Asked by Keshuvarshney152 21st June 2019 11:06 AM

## An object is placed in front of a concave mirror of focal length 30 cm. The virtual image of the object is obtained at a distance 20 cm from the mirror. Calculate the position of the object.   Please explain briefly step by step

Asked by chpratik11 28th June 2019 9:22 PM

## why this happens

Asked by ashishaman25082004 8th July 2019 8:35 PM

## The radius of curvature of a concave mirror is 12 cm. The image obtained by it is real and has magnification 3/2. Find the object distance and image distance.

### NEET NEET Physics

Asked by Prashant DIGHE 29th July 2019 7:58 PM

## An object is placed at a distance of 4cm from a concave mirror of focal length lcm. Find the nature and position of the image

Asked by sreekumar1974 2nd August 2019 11:54 AM

## the focal length of the concave mirror is 15 cm Calculate its radius or curvature.

Asked by anilsardar1980 9th August 2019 5:28 PM

## A concave mirror has a magnification of -2.5 if its focal length is 20 cm find its image and object position?

Asked by ajajaysanja 23rd October 2019 11:00 AM

## A converging mirror forms a real image of height 4çm of an object of height 1cm placed 20cm away from the mirror find focal length and image distance

Asked by a7407259085 28th November 2019 11:00 AM

## Concave mirror has which focus

Asked by hydrodanish 1st December 2019 10:12 AM

## if a concave mirror of lenght 10cm is dipped in water then focal length of the mirror in water will be ?

Asked by kant94947 2nd December 2019 3:20 PM

## Source of light of kept at focus of mirror in headlighte of vehicles give reason

Asked by Omane7596 11th December 2019 8:54 PM

## what is the difference in the shape of a concave mirror and a convex mirror?

Asked by archipatel 25th December 2019 9:27 AM

## Which mirror is used as a torch reflector?

Asked by manishgoldy15 30th December 2019 4:37 PM

## An object 5 cm in length is placed at a distance of 20 cm in front of a concave mirror of radius of curvature 30 cm. Find the position of the image ,it's nature and size

Asked by virender 29th January 2020 5:21 PM

### NEET NEET Physics

Asked by Prashant DIGHE 29th January 2020 10:21 PM

## Tell me in short(trick) to put place value of v, u, f in light lesson class 10

Asked by Jemiprici 19th February 2020 11:00 AM

## 2&3

Asked by anandkrderasari786 23rd February 2020 2:13 PM

## why at least two reflected rays are needed to form an image in a concave mirror?

Asked by ghosh.bol.chandan 25th March 2020 12:06 PM

## 4 diffrence between concave and convex meniscus

Asked by pkumar1972us 8th April 2020 9:12 AM

## An object of size 7.0 cm is placed at 27 cm infront of a concave mirror of focal length 18 cm. At what distance from a mirror should a screen be placed, so that a sharp focused image can be obtained?Find the size and the nature of the image.

Asked by anangi.prathima 12th April 2020 2:43 PM

## How the equation of concave mirror U=-2f came as in concave mirror u and f are-ve

Asked by vijaygireesh 27th April 2020 10:18 PM

## In which part of mirror we will take positive and negative sign?In Concave and convex mirror

Asked by rahuldev584 3rd May 2020 4:06 PM

## where should be the object placed in front of a concave mirror so as the magnification obtained is -2?

Asked by www.motwanidisha 18th June 2020 11:59 AM

## In physics,what kind of image will be form when concave and convex mirror and in lens are kept together

Asked by kmbhuvanakmbhuvana 19th July 2020 2:28 PM

## A spherical mirror produces an image of magnification -1.0 on a screen placed at a distance of 30 cm from the pole of the mirror. a) Write the type of mirror used. b) What is the focal length of this mirror? c) Calculate the object distance. d) What is the nature of the image formed? e) Draw the ray diagram to show the image formation.

Asked by harishsrinivasan0769 22nd July 2020 2:40 PM

## An object is placed at a distance of 15 vm infront of a concave mirror whose focal length is 10 cm at what distance the image is formed? what are the properties of image?

### CBSE X Physics Light - Reflection and Refraction

Asked by harshithauk27 26th August 2020 7:03 PM

## if the lower half of a concave mirror is covered with an opaque ,non reflecting material ,how will this affect the image of the object formed by the mirror?

Asked by ABHILASHA 30th August 2020 9:29 AM

## physics

Asked by 2005bhanusharma 6th October 2020 9:59 AM

## . Priya wants to see an enlarged and erect image of an object in a mirror. What kind of mirror should she use? Where should the object be placed

Asked by arajeevshashank 10th October 2020 5:33 PM

## CAN U SEND ME THE IMPORTANT FORMULAE IN LIGHT REFLECTION AND REFRACTION

Asked by chandukoppararpu 14th October 2020 7:45 PM

## findthe size nature and position of image formed when an object of size 1 cm is placed at a distance of 15from a fro from a concave mirror of focal length 10cm cm from a concave mirror of focal length in centimetre from a concave mirror of

Asked by raghvendrasingh11077 21st October 2020 3:13 PM

## An object 4 cm in size is placed at a distance of 25 cm from a concave mirror of focal length 15 cm. Find the position, nature and height of the image.

Asked by ishitalamba18 28th November 2020 7:53 PM

## what is the convergence of light and where it is used

Asked by Maneraj4707 30th November 2020 3:30 PM

## An object 4 cm in size is placed 25 cm in a front of concave mirror of focal length 15 cm. find nature postion and size of the image draw the ray digram to show the formation of image in this case?

Asked by kushagraa456 14th December 2020 10:37 PM

## between which two points of a concave mirror should an object be placed to obtain a magnification of -3 ?

Asked by ishitalamba18 15th December 2020 9:52 PM

## An object is placed 21 cm in front of a concave mirror of radius of curvature 10 cm. A glass slab of thickness 3 cm and refractive index 1.5 is placed close to the mirror in the space between the object and the mirror. Find the position of the final image formed. Take the distance of the near surface of the slab from the mirror to be 1 cm

Asked by seeni2005 12th January 2021 9:30 PM

## A concave mirror produces three times magnified (enlarged) real image of an object placed at 10cm in front of it . Where is the image located?

Asked by grexiemalinnie 17th January 2021 9:15 AM

## Sign convention in concave mirror

Asked by raushankumarmushkipur 2nd April 2021 10:08 AM

## An object of size 5 cm is placed at a distance of 20cm in front of concave mirror of radius of curvature 30cm. a) Find the position of the image, its nature and size.  b) Draw the corresponding ray diagram.

Asked by sayantansaha225 26th May 2021 5:13 PM

## if an image formed an a concave mirror is real and enlarged its magnification will be

Asked by purnimap035 27th May 2021 7:56 PM

## How to form a image by concave mirror with position and size of image in a tabular form?

Asked by gsvjairam 29th May 2021 6:45 PM

## Ghazipur, Uttar Pradesh 233001, India

Asked by as23072000 18th September 2021 7:12 AM

## The image formed by a concave mirror is observed to be virtual, erect and larger than the object. where should be the position of the object?

Asked by gsonal11 20th September 2021 2:39 PM

## if you placed an object at (1) between 'C' and F and (2) F then find the position of image, size and nature of image formed by a concave mirrors ( with ray diagrams)

Asked by Jethanleapon 3rd October 2021 9:00 PM

## what is the correct answer with explanation

Asked by Trisha Gupta 14th November 2021 1:14 AM

## the question which i had asked regarding a ray of light incident perpendicularly from top of an object , is there in the cbse sample qp of 2021 but the answer given there is centre of curvature but the answer given by topperlearning is Focus, can you pls recheck

Asked by Trisha Gupta 20th November 2021 3:30 PM

## Explain the difference between a plane mirror,a concave mirror and a convex mirror with respect to the type and size of the images produced

Asked by indoremayuri737 17th December 2021 8:20 PM

## by starting sign conventions and assumptions used derive the relation between u,v and f in case of concave mirror

Asked by upasonamandal7 28th January 2022 10:15 AM

## Why do concave mirrors uesd in solar devices

Asked by devangthakur 1st April 2022 3:41 PM

## concave mirror and convex any 2 usess

Asked by umau48071 1st April 2022 5:27 PM

## It is desired to obtain an erect image of an object, using concave mirror of focal length of 15 cm. Where should we place the object? Where will the image of this object be, if it is placed at 30 cm in front of the mirror? Draw a ray diagram for this situation also to justify your answer.

Asked by malikanushka07 17th June 2022 2:18 PM

## An object is placed 42cm from a concave mirror of curvature 16 cm. A glass slab of thickness 6cm and R.I. 3/2 is then placed between the object and mirror. Find the position of the final image formed (the near surface of the slab from the mirror is 1cm)

Asked by u.sudhishna 5th August 2022 3:51 PM

## a concave mirror has a radius of curvature of 0.4m. find the position and size of the image of an object placed 0.2m high and is placed 0.8m in front of a concave mirror.

Asked by priyanshdhiman2008 17th March 2023 9:17 AM

## Very Short Answer Type Questions Name two mirrors used in this fair shop. Name the mirror in which the size of image is small.

Asked by susrisangita792 1st June 2023 6:25 PM

## A concave mirror has focal length of 20cm. At what distance from the mirror a 5cm tall object be placed so that it forms an image at 15cm from the mirror? Also calculate the size of the image formed.

Asked by anmol6745p 16th July 2023 4:22 PM

## CASE STUDY : Light is a form of energy which induced sensation of vision to our eyes. It becomes visible when it bounces off on surface and hits our eyes. Regular reflection takes place through a smooth polished surface. The mirror outside the driver side of the vehicle is usually a spherical mirror and printed on such mirror is usually the warning "Vehicles in this mirror are closer than they appear". (i) What is the reason for this warning written on the mirror ? (ii) Draw a ray diagram showing the image formation in such kind of mirror. (iii) State two positions in which a concave mirror produces a magnified image of a given object. (iv) How is linear magnification it related to object distance and image distance ?

Asked by susrisangita792 23rd July 2023 9:13 AM

## what is concave mirror?

Asked by Shiwani.Sawant 28th July 2023 9:42 PM