CBSE X Physics Light - Reflection and Refraction
Sir, how to prove R=2f and mirror formalae i.e 1/f=1/u+1/v in spherical mirror
Asked by Priyansh Agrawal
30th October 2014
8:46 PM
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CBSE XII Science Physics Ray Optics and Optical Instruments
What is a cassegrain telescope?
Asked by pksunilnair
4th December 2017
9:46 AM
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CBSE X Physics Light - Reflection and Refraction
final image formed at what distance?
final image formed at what distance?
Asked by abinash.gupta003
19th December 2017
12:01 AM
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CBSE XII Science Physics Ray Optics and Optical Instruments
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
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CBSE X Science
Prove mathematically that r=2f for mirror.
Asked by shyamala.holla3
16th February 2018
3:35 PM
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CBSE X Science
Which mirrore form real image and which form virtual
Asked by Ak9639315541
19th February 2018
2:57 PM
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CBSE X Physics
Define linear magnification for spherical mirror and write it's formula.
Asked by ABHILASHA
13th May 2018
10:43 AM
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CBSE X Physics
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
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CBSE X Physics
how can we find the focal length of a mirror or lenses
Asked by abhishekayush15
11th November 2018
10:17 AM
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CBSE XII Science Physics
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
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ICSE IX Physics Spherical Mirrors
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
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ICSE IX Physics Reflection of Light
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
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JEE Main Physics Optics
solve
Asked by sarveshvibrantacademy
7th May 2019
11:55 AM
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CBSE X Physics Light - Reflection and Refraction
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
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CBSE X Physics Light - Reflection and Refraction
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
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CBSE X Physics
why this happens
Asked by ashishaman25082004
8th July 2019
8:35 PM
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CBSE X Physics
What will be the sign of the image if the image is on left side of the mirrror and also below the principal axis according to sign convention?
Asked by vatsalm570
4th September 2019
5:22 PM
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CBSE X Physics Light - Reflection and Refraction
A Ray of light passing through the centre of curvature of a concave mirror is incident on its reflecting surface . What is the angle of incidence and angle of reflection of this ray.
Asked by assupreti2008
12th September 2019
11:35 AM
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CBSE X Physics Light - Reflection and Refraction
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
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CBSE X Physics Light - Reflection and Refraction
prove of mirror formula
Asked by fawadafzalkhan.on
26th October 2019
3:58 PM
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CBSE X Physics Light - Reflection and Refraction
Is real image formed by convex mirror taken as (-ve) while it is used to in the mirror formula?
Asked by drhimasingh
30th November 2019
3:49 AM
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CBSE X Physics Light - Reflection and Refraction
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
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ICSE IX Science
The radius of curvature of a convex mirror is 40cm .Find it's focal length.
Asked by anilrktnayak
27th December 2019
4:53 PM
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ICSE IX Science
The erect image formed by a concave mirror is of size double the size of object .Howare u and v rel.ated
Asked by anilrktnayak
27th December 2019
4:57 PM
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ICSE IX Science
The magnification for a mirror is -3.How are u and v related?
Asked by anilrktnayak
27th December 2019
4:58 PM
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ICSE VII Physics Light Energy
2&3
Asked by anandkrderasari786
23rd February 2020
2:13 PM
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CBSE X Physics
In order to get a diminished and virtual image the object can be placed anywhere in front of a
Asked by praveenkumar6399.bmps
24th April 2020
3:31 PM
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CBSE X Physics Light - Reflection and Refraction
Define: a) Diffraction b) Relation between focal length and radius of curvature and also proof it? c) between which two points related to a concave mirror ,should an object be placed to obtain on a screen an image twice the size of the object d) lateral displacements and its calculation.
Asked by spankaj.ekt
30th April 2020
7:53 AM
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CBSE X Physics
Draw the raydiagram for a candle which is placed at a distance of 10cm from a special mirror whose radius of curvature is 20cm.And also find the nature of the image,whether it is diminished or enlarge.
Asked by mnjeeva2003
2nd May 2020
3:26 PM
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CBSE X Physics Light - Reflection and Refraction
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
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CBSE X Science
Describe about spherical mirror
Asked by nikhilsahu9467
16th May 2020
7:50 AM
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CBSE X Physics Light - Reflection and Refraction
write the rules for the formation of image by spherical mirrors
Asked by jasansingh243
1st August 2020
1:05 PM
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CBSE X Physics Light - Reflection and Refraction
physics
Asked by 2005bhanusharma
6th October 2020
9:59 AM
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CBSE X Physics Light - Reflection and Refraction
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
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CBSE X Physics Light - Reflection and Refraction
An object is placed at distance 15 cm from a concave mirror of focal length 10 cm. Find position, nature and magnification of image.
Asked by rishikadubey462
13th September 2021
8:09 AM
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CBSE IX
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
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CBSE XII Science Physics Ray Optics and Optical Instruments
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
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CBSE X Physics Light - Reflection and Refraction
how to draw a ray diagram for concave mirror (i) Parallel to pricipal axis (ii) Passing through center of curvature
Asked by priyankakiran2017
24th May 2022
6:36 PM
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CBSE X Physics Light - Reflection and Refraction
In recent days what alternative we used for silvering of mirror?
Asked by priyankakiran2017
21st June 2022
8:44 PM
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CBSE VIII Science Light
why do we use concave mirrors in headlamps?
Asked by madhusrimasavarapu
24th January 2023
5:42 PM
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CBSE X Physics Light - Reflection and Refraction
An object is kept at a distance of 15 cm from a (a) Convex mirror (b) Plane mirror The focal length of the convex mirror and the concave lens are 10 cm each. Draw the appropriate ray diagrams, showing the formation of image, in each of the three cases.
Asked by susrisangita792
2nd June 2023
8:00 AM
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CBSE X Physics Light - Reflection and Refraction
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
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CBSE VII Science Light
concave and convex mirror different between
Asked by ma6439926
8th December 2023
9:27 PM
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