Q8 of 36 Page 326

Reddish appearance of the sun at sunrise or sunset is significantly due to:

At sunrise and sunset sun lies below the horizon. The shorter violet and blue wavelengths are scattered away from our field of vision but longer wavelengths of light like red do not scatter and the sky looks red as shown in the figure below.

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6

Which of the following is correct?

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In case of human eye, when light rays enter the eye, most of the refraction occurs at the:

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Identify the correct statement regarding the propagation of light of different colours of white light in air.

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Identify the phenomena of light involved in the formation of a rainbow.