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Question
Fill in the blank to complete the following sentence:
When light travels from a rarer to a denser medium, it bends ...........
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Solution
When light travels from a rarer to a denser medium, it bends towards the normal.
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RELATED QUESTIONS
Name one factor that affects the lateral displacement of light as it passes through a rectangular glass slab.
With the help of diagram of the principal section of a prism, indicate its refracting surfaces, refracting edge and base.
A ray of light is passing from a transparent medium 1 to another transparent medium 2 (i) Speed up (ii) slows down. In each case, state whether the refractive index of medium 2 is equal to, less than or greater than the refractive index of medium 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 angle of refraction r and angle of emergence e and recorded them in the table given below:
|
S. No. |
∠i |
∠i |
∠e |
|
I |
30° |
20° |
31° |
|
II |
40° |
25° |
40° |
|
III |
50° |
31° |
49° |
The correct observations are:
(A) I and II
(B) II and III
(C) I and III
(D) I, II and III
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