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Question
Choose the correct alternative and rewrite the following:
A glass slab is placed in the path of convergent light. The point of convergence of light
Options
moves away from the slab
moves towards the slab
remains at the same point
undergoes lateral shift
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Solution
moves away from the slab
If the glass slab is placed in the path of convergent light, the point of convergence or focus will shift away from the glass slab as the light passing through glass will bend towards the normal and after coming out in the air, the light will converge out at a point away from the glass slab.
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|
S. No. |
∠i |
∠i |
∠e |
|
I |
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31° |
|
II |
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25° |
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|
III |
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|
S.NO. |
∠i |
∠r |
∠e |
|
I |
60° |
40° |
61° |
|
II |
50° |
36° |
51° |
|
III |
40° |
28° |
39° |
|
IV |
30° |
20° |
31° |
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|
S. No. |
Angle of incidence |
Angle of refraction |
Angle of emergence |
|
I |
45° |
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45° |
|
II |
40° |
38° |
38° |
|
III |
45° |
41° |
40° |
|
IV |
41° |
45° |
41° |
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