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Question

Statement I: Stars twinkle, while planets shine steadily.
Statement II: The refractive index of the atmosphere is different at different altitudes.

A
Only statement I is correct.
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B
Only statement II is correct.
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C
Both the statements are correct.
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D
Both the statement are incorrect.
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Solution

The correct option is C Both the statements are correct.
Stars act as point source of light as they very far from earth in comparison to planets. Earth’s atmosphere disturbs the light emerging from point source easily. So, the stars appears to be twinkling.

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