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By which of the following methods could ...

By which of the following methods could a cup of hot tea loss heat when placed on metallic table in a class room .

A

conduction

B

convection

C

radiation and evaporation

D

all

Text Solution

Verified by Experts

The correct Answer is:
D
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NIKITA PUBLICATION-KINETIC THEORY OF GASES & RADIATION -MCQs (Perfectly black body, emmissive power and emmissivity)
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  3. S.I unit of emissive power is

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  5. The silver polishing the walls of a thermos bottle minimizes the trans...

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  6. The bulbs of two identical thermometers are coated one with lamp black...

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  7. By which of the following methods could a cup of hot tea loss heat whe...

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  8. A black body at high temperature emits thermal radiations of

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  9. A sphere, a cube and a thin circular plate, all having the same mass a...

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  10. A body, which emits radiations of all possible wavelengths, is known a...

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  11. Which of the following is the example of ideal black body?

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  12. An ideal Black-body at room temperature is thrown into a furnace. It i...

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  13. Which of the following statement is correct?

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  14. Which of the following law states that "good absorbers of heat are goo...

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  15. Emissive power of a perfectly black body

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  16. Three cubes of sides 1,2,3 cm are at constant temperature of 100^(@)C....

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  17. The emissive power of a sphere of area 0.07m^(2) is 0.5 k cal/m^(2)s. ...

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  18. A sphere of radius 50 cm is maintained at a constant temperature, radi...

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  19. A metal cube with each side 3 cm long emits 0.27 kcal in 100s. Then it...

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