(a) Give reasons : (i) The sky appears dark to passengers flying at very high altitude. (ii) 'Danger' signal lights are red in colour.

Question

Aicharya · Accepted Answer

(a) (i) Scattering of light is not prominent at such heights. (ii) The red colour is least scattered by smoke or fog. / Red colour has longer wavelength.

(a) Give reasons : (i) The sky appears dark to passengers flying at very high altitude. (ii) 'Danger' signal…

Solution