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प्रश्न
In the fig. name the ray which represents the correct path of light while passing through a glass block.
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उत्तर
The correct path is that of ray 'B'.
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संबंधित प्रश्न
When a ray of light from air enters a denser medium, it ______.
Trace the path of a ray of light incident at an angle of 45° on a rectangular glass slab. Write the measure of the angle of refraction, the angle of emergence and the lateral displacement suffered by the ray as it passes through the slab.
Rahim recorded the following sets of observations while tracing the path of a ray of light passing through a rectangular glass slab for different angles of incidence.
|
S. No. |
Angle of incidence |
Angle of refraction |
Angle of emergence |
|
I |
45° |
41° |
45° |
|
II |
40° |
38° |
38° |
|
III |
45° |
41° |
40° |
|
IV |
41° |
45° |
41° |
The correct observation is recorded at serial number:
(1) I
(2) II
(3) III
(4) IV
The critical angle for glass-air interface is :
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
Why upper surface of water contained in a beaker and above eye level appears silvery?
State the relation between the refractive index μ and the velocity of light (vm) in that medium.
How does the angle of deviation produced by a prism depend on the angle of incidence of light at the prism surface? Draw a graph to illustrate your answer.
Which colour of white light travels fastest in any medium except air?
