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प्रश्न
Light travels at a lower speed in water than in air.
पर्याय
True
False
उत्तर
True.
APPEARS IN
संबंधित प्रश्न
The angle of reflection is equal to the angle of incidence:
(a) always
(b) sometimes
(c) under special conditions
(d) never
Explain how to read the following message which was found on some blotting paper:
What is meant by 'refraction of light'? Draw a labelled ray diagram to show the refraction of light.
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?
Light changes its direction when going from one transparent medium to another transparent medium. This is called _______.
State whether true or false. If false, correct the statement.
The angle of deviation depends on the refractive index of the glass.
Why does a ray of light bend when it travels from one medium to another?
The angle of incidence for a ray of light having zero reflection angle is ______.
The angle of incidence from air to glass at the point O on the hemispherical glass slab is.
How does the light travel?
