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प्रश्न
State the factors on which the angle of deviation depends.
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उत्तर
The angle of deviation depends upon:
(i) The refracting angle of prism.
(ii) The material of the prism.
(iii) The colour of light.
(iv) The angle of incidence.
संबंधित प्रश्न
Name one factor that affects the lateral displacement of light as it passes through a rectangular glass slab.
How can you bend light away from the normal?
With the help of diagram of the principal section of a prism, indicate its refracting surfaces, refracting edge and base.
An object is viewed through a glass prism with its vertex pointing upwards. It appears to be displaced upward. Explain the reason.
What is meant by the statement the critical angle for diamond is 24°?
While tracing the path of a ray of light passing through a rectangular glass slab a student tabulated his observations as given below:
|
S.NO. |
∠i |
∠r |
∠e |
|
I |
60° |
40° |
61° |
|
II |
50° |
36° |
51° |
|
III |
40° |
28° |
39° |
|
IV |
30° |
20° |
31° |
The correct observations is:
(A) I
(B) II
(C) III
(D) IV
Draw an í- `delta` graph for a mono chromatic raY through a glass prism of a plane and mark
(i) `delta` m, the angle of mínimum devíation
(íí) Any two values of i for which value of `delta` ís same.
Define the term refractive index of a medium in terms of velocity of light.
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?
