Advertisements
Advertisements
प्रश्न
A ray of light A incident from air suffers partial reflection and refraction at the boundary of water.
- Complete the diagram showing (i) the reflected ray B and (ii) the refracted ray C.
- How are the angles of incidence i and refraction r related?
Advertisements
उत्तर
- It shows the refracted beam DC and the reflected ray DB.
- `sin i/sin r = μ` is the relation.
APPEARS IN
संबंधित प्रश्न
What is lateral inversion? Explain by giving a suitable example.
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?
State two factors on which the lateral displacement of the emergent ray depends.
A vertical ray of light strikes the horizontal surface of some water:
What is the angle of incidence?
A small air bubble in a glass block when seen from above appears to be raised because of ______.
Define the principal focus of a concave mirror.
The incident rays and refracting rays are on opposite sides of the normal.
Write scientific reason.
The sun appears on the western horizon for some time after sunset.
Assertion: The air bubble shines in water.
Reason: Air bubble shines due to the refraction of light.
The bottom of swimming pool appears to be less deep than the actual one because of
