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(c) scattering
(d) water to glass
(a) blue of sky
(c) 2.5 cm
(d) pupil
(b) there is no atmosphere in moon
(c) 24
(b) +1.5 D
(d) horizontal and vertical
(b) before the retina
Tyndall effect is
(c) scattering
(c) scattering
See lessIn which of the following cases will total internal reflection not take place? As light travels from
(d) water to glass
(d) water to glass
See lessThe odd phenomenon out of the following is
(a) blue of sky
(a) blue of sky
See lessFocal length of relaxed eye is
(c) 2.5 cm
(c) 2.5 cm
See lessThe black opening between the aqueous humour and the lens is called
(d) pupil
(d) pupil
See lessExplosion on the surface of moon is not heard on the surface of earth as
(b) there is no atmosphere in moon
(b) there is no atmosphere in moon
See lessThe number of frames to be projected per second for a good motion picture is
(c) 24
(c) 24
See lessA hypermetric person has a least distance of distinct vision of 40 cm. The power of lens required for him is
(b) +1.5 D
(b) +1.5 D
See lessAstigmatic eye has problem in viewing images uniformly on the lines
(d) horizontal and vertical
(d) horizontal and vertical
See lessImage formed in a Myopic eye is
(b) before the retina
(b) before the retina
See less