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## after tracing the path of a ray of light passing through a rectangular glass slab for 4 different values of the angle of incidence , a student reported his observations.   S. no.      angle i     angle  r     angle e   1              30*          19*            29* 2              40*          28*            40* 3              50*          36*            50* 4              60*          40*            59*   which is the best observation?

Asked by mrinalini mrinalini 26th February 2015 8:56 PM

## why does the emergent ray in a glass slab is parallel to the actual ray? why does the ray shifts sideways?

Asked by Rohith Kumar 4th March 2015 11:17 AM

## An air bubbles in glass slab of refractive index =1.5 from one side is 6cm,amd other side is 4cm.the thickness of glass slab is? A-10cm,B-6.67cm,C-15cm,D-none

Asked by Priyanka 15th November 2017 9:23 AM

## Just prove that they are parralel to each other

Asked by lovemaan5500 1st December 2017 11:32 AM

## Plz answer b and d part of 7th ques

Asked by lovemaan5500 5th January 2018 7:24 PM

## Give reason why  The emergent ray of light is parallel to the incident ray of light in glass sslab

Asked by lovemaan5500 5th January 2018 7:27 PM

## Refractive index of glass is 3/2.the glass slab when viewed from verticallly above its really thickness appears to be 1 .3/2 2.2/3 3.  6 4.none of these

Asked by lovemaan5500 5th January 2018 7:44 PM

## Draw a ray diagram to show the refraction of light through the glass slab and Mark angle of refraction and the lateral shift suffered by the ray of light while passing the slab

Asked by achaldaljitsinhvaghela 19th February 2018 1:19 PM

## Practical 12: Tracing the path of the rays of light through a glass prism. 1. After tracing the path of rays of light through a glass slab for three different  angles of incidence, a student measured the corresponding values of the angle  of refraction r and the angle of emergence e and recorded them in the table  shown below: [2] Sr. No.      i     r       e I.              30  20    31 II              50  31    49 III             40  25    40 The correct observations are A. I and III B. III and II C. I and II D. I, II and III

Asked by varakalasuchi3 28th February 2018 9:24 PM

## Find the value of n square from fig where n is refractive index

Asked by venkat 28th February 2018 11:50 PM

## Find the value of  m

Asked by venkat 1st March 2018 12:51 PM

## pls explain

Asked by gpnkumar0 1st March 2018 10:04 PM

## What is lateral displacement ? Draw a ray diagram showing the lateral displacement of a ray of light when it passes through a parallel sided glass slab.

Asked by Ravi 22nd March 2018 4:25 PM

## is the angle of incidence and the angle of emergence in a glass slab equal to each other?

Asked by Debdulal 1st April 2018 4:35 PM

## 1)state the laws of refraction. 2)what is lateral displacement? state the factor on which lateral displacement depends

Asked by nathsantanukumar 13th April 2018 7:26 PM

## define principle of reversibility

Asked by nathsantanukumar 17th April 2018 7:39 PM

## a  light ray incident on a glass lab of thikness t .at angle thita is very small than find out latreral shift if refrative index is n

Asked by kar 18th June 2018 11:03 PM

## Show the working

Asked by Sunita 24th September 2018 9:20 PM

## Answer 22 23 and 24

Asked by guptaabhinav0809 23rd November 2018 10:40 PM

## letter appear to be  raised when reading through a thick glass

Asked by arajeevshashank 24th November 2018 11:11 AM

## prove that

Asked by agraharianiruddha 7th December 2018 7:09 PM

### NEET NEET Physics Optics

Asked by deepakudgiri29 9th January 2019 6:29 PM

## A ray of light is incident as a normal day on surface of separation of two different mediums.What is the angle of incidence in this case?

Asked by mainak 19th February 2019 7:56 PM

## What is the difference between the displacement  produced by a rectangular glass slab in a ray of light and the deviation produced by a glass prism?

Asked by gspublicschool 26th February 2019 7:19 PM

## Why is emergent ray parallel to incident ray in a glass slab refraction?

Asked by pb_ckt 3rd March 2019 3:59 PM

## Why is refraction a surface phenomenon?

Asked by pb_ckt 3rd March 2019 4:01 PM

## Why refraction takes place through prism  not through glass slab

Asked by niharikagubba2003 17th March 2019 12:13 PM

## During refraction of light on which side does the light bends while changing the medium ?

Asked by kmravibhat 19th March 2019 5:34 PM

## why piece of glass disappears when immersed in glycerine – why?

Asked by polyrelation 20th March 2019 7:39 AM

## solve question number 15

Asked by eknathmote50 24th May 2019 11:23 AM

## Draw a ray diagram showing refraction of light through a rectangular glass slab

Asked by aarav032940 25th May 2019 5:18 PM

## hello sir ,please clear my doubt A ray of light travelling in air falls on the surface of a  transparent glass slab at an angle of 60° with the normal to the surface.find the angle made by the refracted ray with the normal within the glass slab.Refractive index of the glass slab is . Thank You

Asked by seeni2005 11th June 2019 7:21 AM

## How we can prove that : Refractive index = real depth/ apparent depth

Asked by Ritachoudhary697 13th June 2019 5:29 PM

## refraction of light by a glass slab. explain.

Asked by anchaltamrakar090 25th November 2019 12:21 PM

## , glass prism is able to produce a spectrum when white light passes through it but a rectangular block of same transparent glass does not produce any spectrum why

Asked by ashutosh9155065938 30th December 2019 2:39 PM

## Can you tell me the answer for this question?

Asked by subbukum 4th February 2020 11:58 AM

## How to find thickness of glass slab 🙏🏻🙏🏻

Asked by ayush421301 7th February 2020 8:57 AM

## How the incident ray , refracted ray and normal ray passing through a glass slab are in the same plane?( THE FIRST LAW OF REFRACTION )

Asked by arindeep.singh 14th May 2020 3:20 PM

## exercise 4d q. 17

Asked by nilesh.dhote74 4th June 2020 2:05 PM

## sir. What happens when incident ray falls on the surface of a glass slab? what is angle of incident and angle of refraction? Draw the diagram in this case?

Asked by vinayakumarspanicker 5th June 2020 8:31 PM

## figure shows a Ray of light incident on a face of a rectangular glass block (a)-complete the diagram indicating the approximate part of the ray of light through glass and into air (b)-mark the angles of incidence and angles of refraction at the two surfaces (c)-identify two pairs of unequal angles (d)-what is the deviation of the emergent ray with respect to the incident ray

Asked by kumargangwarn 5th July 2020 12:04 PM

## please explain refraction through glass slab

Asked by nehchalrs15 5th August 2020 10:07 PM

## Out of reflection and refraction, which one is a natural phenomenon?

Asked by fishtailfever 7th August 2020 10:42 AM

## Why light rays do not bend or refract when they meet the glass slab perpendicularly? (Pls ans theoratically and dont say it is bcs i is 0)

Asked by marygreata3 16th August 2020 7:05 PM

## SIR/MADAM Plss answer my question In a vessel of depth 26 cm upto what heightt in cm the water should be filled so tha tnow it appears to be filled one fourth if viewed from the top?n of water is 4/3

Asked by seeni2005 17th August 2020 12:10 AM

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

Asked by chandukoppararpu 14th October 2020 7:45 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