Question

(ii) Which of the following is not caused because of atmospheric refraction?

(a) Apparent image of Sun is formed closer to the Earth.

(b) Dawn or dusk are formed.

(c) Sun can be seen 2 minutes before actual sunrise and 2 minutes after actual sunset.

(d) Clouds look white. ​

Answer 1

Answer:

option d

cloud Look white

they look white not because of atmospheric refrection but due to equal scattering of white light and all color equally scattered and hence we see cloud white not because of atmospheric refraction

hope it helps

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Answer 2

(d) Clouds look white. ​- This is the correct option.

Clouds are white due to the fact mild from the Sun is white. As mild passes thru a cloud, it interacts with the water droplets, which can be a whole lot larger than the atmospheric debris that exist withinside the sky.

When daylight reaches an atmospheric particle withinside the sky, blue mild is scattered away greater strongly than different colours, giving the impact that the sky is blue.

But in a cloud, daylight is scattered with the aid of using a whole lot large water droplets. These scatter all colours nearly similarly which means that the daylight maintains to stay white and so making the clouds seem white towards the historical past of the blue sky.