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Assertion : The earth without its atmosp...

Assertion : The earth without its atmosphere would be inhospitably cold.
All heat would escape in the absence of atmosphere .

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SL ARORA-Thermal Properties of Matter-Exercise
  1. Explain why, a body with large reflectivity is a poor emitter.

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  2. Explain why, a brass tumbler feels much colder than a wooden tray on...

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  3. Assertion : The earth without its atmosphere would be inhospitably col...

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  4. A body cools from 80^(@)C to 50^(@)C in 5 min-utes Calculate the time ...

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  5. On hilly reason, water boils at 95^@C. The temperature expressed in Fa...

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  6. If the boiling point of water is 95^(@)F, what will be reduction at ce...

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  7. At what temperature is the Fahrenheit scale reading equal to (a) twi...

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  8. Resistance of tungsten wire at 150^(@)C is 133 Omega. Its resistance t...

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  9. Triple point of water is

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  10. The mechanical equivalent of heat J is

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  11. During constant temperature, we feel colder on a day when the relative...

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  12. When a body is heated, then maximum rise will be in its

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  13. A composite rod made of copper (alpha =1.8xx10^-5 K^-1) and steel (alp...

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  14. If the temperature of a rod is increased by 10^@C, its length increase...

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  15. The volume of a gas at 20^(@)C is 100 cm 3 at normal pressure. If it i...

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  16. The coefficient of volumetric expansion of mercury is 18xx10^(-5)//^(...

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  17. Coefficient of real expension of mercury is 0.18 xx 10^(-3//@)C. If th...

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  18. The density of a substance at 0^(@)C is 10 g//c c and at 100^(@)C, its...

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  19. A uniform metal rod is used as a bar pendulum. If the room temperature...

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  20. Calculate the presure required to stop the increases in volume of a co...

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