CBSE Physics Universe Expected Questions : Unit XIII
Short Answer Type Questions
Q. 1. Name the nine plantes.
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Q. 2. What is 1 AU ?
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Q. 3. How were the crators caused on the surface of moon ?
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Q. 4. What is albedo of a planet ?
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Q. 5. State Hubble’s law.
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Q. 6. What is order of mass of Sun ?
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Q. 7. What is Milky Way ?
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Q. 8. How is brightness of star represented ?
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Q. 9. What is the value of Solar Constant ?
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Q. 10. What are factors on which atmosphere of a planet depend ?
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Q. 11. What are Superior planets ?
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Q. 12. In blackhole trap all type of electromagnetic radiations are invisible. How is its presence in space felt ?
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Q. 13. What is universe ?
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Q. 14. Why do we call astronomy an observational science ?
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Q. 15. What is meant by the term retrograde ?
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Q. 16. Distinguish between a planet and a star.
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Q. 17. What is the difference between a meteor and a meteorite ?
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Q. 18. Give any two differences between Asteroids and Meteoroids.
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