(a) Draw a neat and labelled diagram of the experimental set up for observing the scattering of light in a colloidal solution of sulphur to show how the sky appears blue, and the sun appears red at sunrise and sunset.
(b) Out of blue light and red light, which one is scattered more easily?
(c) Which component of sunlight is scattered away when the sun appears red at sunrise or sunset?
(d) What causes the scattering of blue component of sunlight in the atmosphere?

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Solution

(a)

(b) Blue light gets scattered more easily, because of its shorter wavelength.

(c) The blue component of sunlight is scattered away when the sun appears red at sunrise or sunset.

(d) The gas molecules present in the air cause the scattering of the blue component of sunlight in the atmosphere.

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(a) Draw a neat and labelled diagram of the experimental set up for observing the scattering of light in a colloidal solution of sulphur to show how the sky appears blue, and the sun appears red at sunrise and sunset.
(b) Out of blue light and red light, which one is scattered more easily ?
(c) Which component of sunlight is scattered away when the sun appears red at sunrise or sunset ?
(d) What causes the scattering of blue component of sunlight in the atmosphere ?

Sun appears red at sunrise and sunset. This happens because the component of light having _________, gets scattered away.

Q. Sun appears to be red during sunset and sunrise because blue light scatters more than red light in atmosphere. (Yes/No)

Q. The sky appears red at sunrise and sunset. Because the red light scatters less and enter our eyes.

Q. The red colour of the sun at the time of sunrise and sunset is because:
(a) red colour is least scattered
(b) blue colour is least scattered
(c) red colour is most scattered
(d) blue colour is most scattered

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(a)(b) Blue light gets scattered more easily, because of its shorter wavelength.(c) The blue component of sunlight is scattered away when the sun appears red at sunrise or sunset.(d) The gas molecules present in the air cause the scattering of the blue component of sunlight in the atmosphere.

(a)

(b) Blue light gets scattered more easily, because of its shorter wavelength.

(c) The blue component of sunlight is scattered away when the sun appears red at sunrise or sunset.

(d) The gas molecules present in the air cause the scattering of the blue component of sunlight in the atmosphere.