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What is dew?...

What is dew?

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JNAN PUBLICATION-PHYSICAL ENVIRONMENT (HEAT)-EXAMPLE
  1. Why we feel cool when spirit is poured on our hand?

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  2. Why it takes much time to cook food in mountain region?

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  3. In summer it is comfortable to stand below a fan when perspiring heavi...

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  4. What is dew?

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  5. What is conduction?

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  6. What is radiation?

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  7. Name three factors that determine the quantity of heat absorbed by a b...

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  8. What is specific latent heat? What is the SI and CGS unit of specific ...

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  9. Discuss the features of conduction.

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  10. Discuss the features of radiation.

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  11. State the difference between evaporation and boiling.

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  12. On what factors the boiling point of a liquid depend?

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  13. Specific heat capacity of a substance is 0.12 cal/(gm@C), mass is 10 g...

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  14. To rise temperature of 30 gm water from 20^@C to 50^@C how much heat i...

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  15. How much heat is required to melt 5 gm ice?

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  16. In a tumber there is 100 gm ice, 6400 calorie heat is given to it. Wha...

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  17. How much heat is required for 40g water to boil and turn into vapour?

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  18. Mass of an object is 200 gm and specific heat 0.09 calorie/gm C. To ri...

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  19. Calculate the thermal capacity of 200 gm Aluminium. Specific heat cap...

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  20. How much heat is required to rise temperature from -8^@C to 50^@C of 1...

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