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Maharashtra State BoardSSC (English Medium) 10th Standard

Draw the Diagram of Refraction of Light in Glass Slab

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Question

Draw the diagram of refraction of light in the glass slab

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Solution

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2017-2018 (March)

RELATED QUESTIONS

Observe the following figure and answer the questions given under it:

1) How many times does refraction take place in the above figure?

2) What happens to the ray of light when it passes from air to glass?

3) What happens to the ray of light when it passes from glass to air?

4) What are the rays AB and CD in the figure called?

5) Define refraction.


Light of a single colour is passed through a liquid having a piece of glass suspended in it. On changing the temperature of liquid, at a particular temperature the glass piece is not seen. When is the glass piece not seen?


A light ray in passing from water to a medium

(a) speeds up

(b) slows down. In each case, give one example of the medium. 


The refractive index of air with respect to glass is expressed as `""_g μ_a=sin i /sin r`.

  1. Write down a similar expression for aμg in terms of the angles i and r.
  2. If angle r = 90°, what is the corresponding angle i called?
  3. What is the physical significance of the angle i in part (b)? 

A ray of light falls normally on the surface of a transparent glass slab. Draw a ray diagram to show its path and also mark angle of incidence and angle of emergence.


A ray of light is incident normally on a plane glass slab. What will be
    1. the angle of refraction and
    2. the angle of deviation for the ray?

Write the SI unit for refractive index.

State the principle of reversibility of light.

 Draw a diagram to show the splitting of white light into its constituent colours.


Why do the faces of persons sitting around campfire appear to shimmer?


Glass is transparent in nature. Why does glass powder look opaque? When water is poured over it, it again becomes transparent. Why?


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You are provided with a printed piece of paper. Using this paper how will you differentiate between a convex lens and a concave lens?


A ray of light moves from a rare medium to a dense medium as shown in the diagram below. Write down the number of the ray which represents the partially reflected ray.


Draw ray of light bending towards the normal while passing from air to glass. Label your diagrams.


Two parallel rays of Red and Violet travelling through the air, meet the air-glass boundary as shown in the above figure. Will their paths inside the glass be parallel? Give a reason for your answer.


Light passes through a rectangular glass slab and through a triangular glass prism. In what way does the direction of the two emergent beams differ and why?


A ray of monochromatic light is incident from the air on a glass slab:
(i) Draw a labelled ray diagram showing the change in the path of the ray till it emerges from the glass slab.
(ii) Name the two rays that are parallel to each other.
(iii) Mark the lateral displacement in your diagram.


Observe the figure and name the ray AB, ray CD, ray GH.


Which colour of white light travels fastest in any medium except air?


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