Which of the following is not caused by the atmospheric refraction of light ?
(a) twinkling of stars at night
(b) sun appearing higher in the sky than it actually is
(c) sun becoming visible two minutes before actual sunrise
(d) sun appearing red at sunset

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Solution

(d) sun appearing red at sunset
this is due to scattering

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Similar questions

Q. The sun appears to us ________ minutes earliear than the actual sunrise and ________ minutes later than the actual sunset.

Q. Fill in the following blanks with suitable words:
We can see the sun about ................ minutes before the actual sunrise and about ................ minutes after the actual sunset because of atmospheric ................

Q. Fill in the following blanks with suitable words :
We can see the sun about ___ minutes before the actual sunrise and about ___ minutes after the actual sunset because of atmospheric ___

(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 is due to light having

shorter wavelengths gets scattered away.

longer wavelengths gets scattered away.

lower frequencies gets scattered away.

all frequencies gets scattered away.

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Which of the following is not caused by the atmospheric refraction of light ? (a) twinkling of stars at night (b) sun appearing higher in the sky than it actually is (c) sun becoming visible two minutes before actual sunrise (d) sun appearing red at sunset

(d) sun appearing red at sunset this is due to scattering

Which of the following is not caused by the atmospheric refraction of light ?
(a) twinkling of stars at night
(b) sun appearing higher in the sky than it actually is
(c) sun becoming visible two minutes before actual sunrise
(d) sun appearing red at sunset

(d) sun appearing red at sunset
this is due to scattering