Consider the following regarding sunrise and sunset 1 The time differe...........

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Consider the following regarding sunrise and sunset

1. The time difference between actual sunrise and sunset is 4 minutes.

2. This is because of phenomenon of Total Internal Reflection

3. The apparent flattering of the sun’s disc at sunrise and sunset is due to atmospheric refraction.

Select the incorrect code

Only 1

Only 3

1 and 2

1,2 and 3

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Explanation:

Time difference is 2 minutes and due to atmospheric refraction.
A ray of light bends when it travels from one medium to another . This “bending of light” is called refraction of light.
Thus due to refraction of light we see the sun rise about two minutes before its actually there and during sunset we see it for around two minutes more, even though it has already moved from that position.