Paheli and Boojho observe a bright object in the night sky which was not twinkling. Paheli says, it is a star and Boojho says it is a planet. Who is correct? Do stars emit light only during night? [2 MARKS]

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Solution

Each point: 1 Mark
1. Boojho is correct.
2. No, they emit light all the time.

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Similar questions

Q. Paheli and Boojho observe a bright object in the night sky which was not twinkling. Paheli says, it is a star and Boojho says it is a planet. Who is correct?

Q. Paheli switches on a torch and aims it at a mirror. The reflected light from the mirror falls on Boojho, who is standing beside Paheli. For Boojho, what kind of objects are the torch and the mirror?

Q. Planets, just like stars, twinkle in the night sky?

Q. Question 8

Do stars emit light only during the night?

(a) What is atmospheric refraction ? What causes atmospheric refraction ?
(b) Why do stars twinkle on a clear night ?
(c) Explain why, the planets do not twinkle at night.

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Paheli and Boojho observe a bright object in the night sky which was not twinkling. Paheli says, it is a star and Boojho says it is a planet. Who is correct? Do stars emit light only during night? [2 MARKS]

Each point: 1 Mark 1. Boojho is correct. 2. No, they emit light all the time.

Each point: 1 Mark
1. Boojho is correct.
2. No, they emit light all the time.