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प्रश्न
A vertical ray of light strikes the horizontal surface of some water:
What is the angle of refraction?
उत्तर
If the incident ray falls normally on the surface, no bending of light ray takes place. So, the angle of refraction is also `0^0`
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संबंधित प्रश्न
The image of an object formed by a plane mirror is:
(a) virtual
(b) real
(c) diminished
(d) upside-down
A ray of light passes from air into a block of glass. Does it bend towards the normal or away from it?
A ray of light travelling in air is incident on a rectangular glass block and emerges out into the air from the opposite face. Draw a labelled ray diagram to show the completer path of this ray of light. Mark the two points where the refraction of light takes place. What can you say about the final direction of ray 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°
What do you understand by refraction of light?
The laws of reflection hold true for:
Observe the given figure and name the following.
| Ray AB | |
| Ray NM | |
| Ray MD | |
| ∠ r |
Why does a ray of light bend when it travels from one medium to another?
A water tank appears shallower when it is viewed from the top due to refraction.
Why a pencil partly immersed in water appears to be bent at the water surface.
