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Advanced Sunrise and Delayed Sunset

How much time...

Question

How much time from sunrise to sunset is lengthened because of atmospheric refraction?

A

2 minutes

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B

4 hours

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C

2 hours

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D

4 minutes

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Solution

The correct option is D
4 minutes

We can see the sun 2 minutes before the actual sunrise and 2 minutes after the actual sunset due to atmospheric refraction. So, the total time lengthened is 2 + 2 = 4 minutes.

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