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The energy of 2000 J is radiated in 5 mi...

The energy of 2000 J is radiated in 5 minute by hot body surface area 30 `cm^2` . Find emissive power of that body.

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MBD PUBLICATION-THERMAL PROPERTIES OF MATTER (HEAT TRANSFER)-QUESTION BANK
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  2. Radiant energy incident on a body at the rate 5000 J/sec. If coefficie...

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  3. The energy of 2000 J is radiated in 5 minute by hot body surface area ...

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  4. Conduction of heat takes place due to

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  5. Convection of heat takes place in

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  6. In radiation heat energy can be transferred

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  7. Radiation of light possess the following property

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  8. The material medium is not required for the propagation of heat in

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  9. If the temperation of a gas is lowered to -273^@ C . Then it,s volume ...

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  10. In a room containing air, heat can go from one place to another by

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  11. Example of diathermanous body is

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  12. What is the sum of co-efficient of absorption, reflection and transmis...

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  13. The emissivity of black body is equal to

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  14. Good conductor of heat and current is :

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  15. The co-efficient of absorption and reflection of a thin uniform plate ...

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  16. The co-efficient of reflection, coefficient of absorption and coeffici...

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  17. If an athermous body absorbs 20% of the incident radiant energy then r...

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  18. A rate of radiation of a perfectly black body at 0^@ C is X j/sec. Th...

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  19. A spherical black body with a radius of 12 cm radiates 450 W power at ...

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  20. A metal cube of each side 0.05 m long emits 0.6 kcal in 80 second. The...

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