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(d) dark
(d) infinity to 25 cm
(b) red coloured light is scattered the least from atmosphere particles
(b) Scattering of light
(c) violet and blue lights get scattered more than lights of all other colors by the atmosphere
An astronaut land his spacecraft on the surface of moon and observes the sky. He will find the colour of the sky as
(d) dark
(d) dark
See lessThe range of vision of a normal human eye is from
(d) infinity to 25 cm
(d) infinity to 25 cm
See lessDanger signals installed at airports and at the top of tall buildings all of red colour.These signals are visible from a distance. It is because
(b) red coloured light is scattered the least from atmosphere particles
(b) red coloured light is scattered the least from atmosphere particles
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 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 less