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प्रश्न
The speed of light is more in glass than in water.
विकल्प
True
False
उत्तर
False.
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संबंधित प्रश्न
The boy walks towards the mirror at a speed of 1 m/s. At what speed does his image approach him?
Light travels more quickly through water than through glass.
If a ray of light passes from glass into water, which way will it bend : towards the normal or away from the normal?
A coin in a glass tumbler appears to rise as the glass tumbler is slowly filled with water. Name the phenomenon responsible for this effect.
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 refraction?
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?
A small air bubble in a glass block when seen from above appears to be raised because of ______.
Choose and write the correct option.
If we gradually increase the angle of incidence of a ray of light passing through prism then …..
The speed of light varies in different media.
Explain with diagrams how refraction of incident light takes place from
- rarer to denser medium
- denser to rarer medium
- normal to the surface separating the two media.
