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प्रश्न
When a ray of light travels normal to the given surface, then the angle of refraction is ______.
विकल्प
180°
0°
90°
45°
उत्तर
When a ray of light travels normal to the given surface, then the angle of refraction is 0°.
Explanation:
Traveling parallel to the normal is the refracted ray. Therefore, the angle of refraction is zero.
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संबंधित प्रश्न
What is meant by 'reflection of light'?
A ray of light passes from a medium X to another medium Y. No refraction of light occurs if the ray of light hits the boundary of medium Y at an angle of:
(a) 0°
(b) 45°
(c) 90°
(d) 120°
The depth of a pond when seen from above appears to be less.
Air is optically .......... than glass.
When a ray of light travels from water to air, it bends ............. the normal.
What do you understand by refraction of light?
What is the cause of refraction of light when it passes from one medium to another?
A small air bubble in a glass block when seen from above appears to be raised because of ______.
Write scientific reason.
The bottom of a pond appears raised.
Light bends as it passes from one medium to another. What is this phenomenon called?
