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Color of Sun at Sunrise and Sunset

Complete the ...

Question

Complete the following statements:
When the sun is setting, the light from it has to travel a ................ thickness of the earth's atmosphere and only ................ wavelength ................ light is able to reach us. Sunset is therefore ................

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Solution

When the sun is setting, the light from it has to travel a greater thickness of the earth's atmosphere and only the longer wavelength red light is able to reach us. Sunset is therefore red in colour.

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Q. Complete the following statements :
When the sun is setting, the light from it has to travel a ................ thickness of the earth's atmosphere and only ............ wavelength .............. light is able to reach us. Sunset is therefore ............

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