Planets do not twinkle because

इंडियन गवर्नमेंट एग्जाम प्रेप

A they emit light of a constant intensity

B their distance from the earth does not change with time

C they are very far away from the earth resulting in decrease in intensity of light

D they are nearer to earth and hence we receive a greater amount of light and, therefore minor variations in the intensity are not noticeable

Correct Answer: D

Solution & Explanation

Of the following properties of a wave, the one that is independent of the other is its

उत्तर देखें

out of the following, which is not emitted by radioactive substance?

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Magnetism at the centre of a bar magnet is

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Mirage is due to

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It is more difficult to walk on a sandy road than on a concrete road because

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