» CBSE Physics 12 Universe Expected Questions : Unit XII

CBSE Physics 12 Universe Expected Questions : Unit XII

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Short/V. Short Answer Questions (1,2 Marks Questions)

1. Name the two factors which account for existence of atmosphere on the planet.
Answer

2. How is the luminosity of a star affected by the increase in its mass ?
Answer

3. Name the parameters which determine the apparent colour of a star.
Answer

4. What is geostationary satellite ?
Answer

5. What are meteorites ?
Answer

6. How does a radar help in determining the distance of a distant object ?
Answer

7- Write the sequence of steller spectra which arranges the states in order of decreasing tempera¬ture. To which steller class our sun belongs?
Answer

8. Write the names of two superior planets.
Answer

9. What are comets made of ?
Answer

10. How do comets form tail ?
Answer

11. Write down four points of difference between earth and Jupiter.
Answer

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