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(a) are relaxed and lens becomes thinner
(b) outer surface of the cornea
(c) scattering of light
(b) Scattering of light
(b) is scattered the least by smoke or fog
(c) All the colours of the white light move with the same speed.
(c) violet and blue lights get scattered more than lights of all other colors by the atmosphere
(b) refraction of light by different layers of varying refractive indices
(c) Refraction, dispersion and internal reflection
(a) light is least scattered
The focal length of the eye lens increases when eye muscles
(a) are relaxed and lens becomes thinner
(a) are relaxed and lens becomes thinner
See lessWhen light rays enter the eye, most of the refraction occurs at the
(b) outer surface of the cornea
(b) outer surface of the cornea
See lessThe bluish colour of water in deep sea is due to
(c) scattering of light
(c) scattering of light
See lessWhich of the following phenomena contributes significantly to the reddish appearance of the sun at sunrise or sunset?
(b) Scattering of light
(b) Scattering of light
See lessThe danger signals installed at the top of tall buildings are red in colour. These can be easily seen from a distance because among all other colours, the red light
(b) is scattered the least by smoke or fog
(b) is scattered the least by smoke or fog
See lessWhich of the following statements is correct regarding the propagation of light of different colours of white light in air?
(c) All the colours of the white light move with the same speed.
(c) All the colours of the white light move with the same speed.
See lessThe clear sky appears blue because
(c) violet and blue lights get scattered more than lights of all other colors by the atmosphere
(c) violet and blue lights get scattered more than lights of all other colors by the atmosphere
See lessTwinkling of stars is due to atmospheric
(b) refraction of light by different layers of varying refractive indices
(b) refraction of light by different layers of varying refractive indices
See lessWhich of the following phenomena of light are involved in the formation of a rainbow?
(c) Refraction, dispersion and internal reflection
(c) Refraction, dispersion and internal reflection
See lessAt noon the sun appears white as
(a) light is least scattered
(a) light is least scattered
See less