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The ratio of masses of two planets is 2...

The ratio of masses of two planets is 2:3 and the ratio of their radii is 4:7 . Find the ratio of their acceleration due to gravity .

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SURA PUBLICATION-HALF YEARLY MODEL QUESTION PAPER-Subjective Questions
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  2. Define electric potential and potential difference.

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  3. The ratio of masses of two planets is 2:3 and the ratio of their radi...

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  4. (i) A metal rod 6.522 long at 285 k expands by 0.576 m at 363 k. find ...

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  5. When a ball of 0.5 kg mass moving with a speed of 20 ms^(-1) rebounds ...

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  6. What is Rayleigh's scattering?

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  7. A metal rod 6.522 m long at 285K expands by 0.576 m at 363K. Find the ...

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  8. What is meant by Weightless?

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  9. An athlete runs a certain distance before taking a long jump . Why ?

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  10. Distinguish between linear and areal or superficial expansion.

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  11. Why does sound travel faster on a rainy day than on a dry day?

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  12. What is rust ? Give the equation for formation of rust .

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  13. Lemon juice has a pH 2, what is the concentration of H^(+) ions?

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  14. How is ethanoic acid prepared from ethanol? Give the chemical equation...

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  15. What are the structures involved in the protection of brain?

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  16. What are psychotropic drugs ?

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  17. How are e-wastes generated?

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  18. A cricket ball of mass 25 g moving with a speed of 12 ms^(-1) is hit b...

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  19. Define moment of a couple.

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  20. (i) Differentiate convex lens and concave lens. (ii) What is meant b...

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