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Conversion of heat into electrical energ...

Conversion of heat into electrical energy can be achieved by Accroding to newton's law of cooling (provided the difference of temperature is small ), the rate of loss of heat is proportional to

A

transistor

B

voltmeter

C

thermocouple

D

photo-electric cell

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The correct Answer is:
C
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BINA LIBRARY-THERMAL PROPERTIES OF MATTER -EXERCISE
  1. The ventilation of building is necessary for

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  2. The melting point of an alloy is usually

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  3. What is the effect of increase of pressure on melting point of ice?

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  4. Boiling point of water

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  5. A marble floor appears cold than a cemented floor, because marble has

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  6. Air is heated by

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  7. A perfect black body

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  8. The essence of kirchoff's law is that

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  9. The total radiation emitted by a perfectly black body is proportional ...

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  10. Conversion of heat into electrical energy can be achieved by Accroding...

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  11. Accroding to newton's law of cooling (provided the difference of tempe...

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  12. An ideal material for making cooking vessels must have

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  13. A hot body will radiate heat most rapidly ,if its surface is

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  14. If the temperature of sun is doubled,the rate of energy received on ea...

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  15. which of the following cylindrical rods will conduct most heat,when th...

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  16. Two spheres of same material have radii 1 m and 4m and temperature 400...

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  17. A black body at a high temperature T radiates energy at the rate of E....

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  18. A spherical black body with radius 12 cm radiates 450 W power at 500K,...

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  19. A sphere ,a cubeand a thin circular plate,all made of the same meterie...

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  20. A polished metal plate with a rough black spot on it is heated to abou...

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