Advertisements
Advertisements
प्रश्न
Name one main factor on which the direction of bending of a ray of light depends.
Advertisements
उत्तर
It mainly depends upon the optical density of the two media through which a ray of light travels.
APPEARS IN
संबंधित प्रश्न
Define refraction and state the laws of refraction.
Observe the figure and write accurate conclusion regarding refraction of light.

What is the correct reason for blinking / flickering of stars? Explain it.
a) The blasts in the stars.
b) Absorption of star light by the atmosphere.
c) Motion of the stars.
d) Changing refractive index of gases in the atmosphere.
Rewrite the following statement by selecting the correct option:
If a ray of light strikes a glass slab at an angle of 600 with the surface of the slab, the angle of incidence must be __________________.
Explain briefly what causes the twinkling of stars at night.
You are provided with a printed piece of paper. Using this paper how will you differentiate between a convex lens and a concave lens?
Light passes through a rectangular glass slab and through a triangular glass prism. In what way does the direction of the two emergent beams differ and why?
Draw a diagram of a prism and label:
(i) the base,
(ii) the refracting surfaces,
(iii) the refracting edge,
(iv) the refracting angle in it.
