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Hailstone at 0^@C from a height of 1 km ...

Hailstone at `0^@C` from a height of 1 km on an insulating surface converting whole of its kinetic energy into heat. What part of it will melt? (`g=10 m//s`)

A

`1//33`

B

`1//8`

C

`(1//33)xx10^-4`

D

all of it

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SL ARORA-Thermal Properties of Matter-Exercise
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  3. Calorimeters are made of which of the following

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  5. Statement I: The bulb of one thermometer is spherical while that of th...

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  6. On a cold morning, a metal surface will feel colder to touch than a wo...

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  7. Assertion : Woollen clothes keep the body warm in winter Reason : Ai...

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  8. Heat travels through vaccum by

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  9. The amount of radiation emitted by a perfectly black body is proportio...

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  10. The unit of thermal conductivity is :

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  11. A rod AB is 1m long. The temperature of its one end A is maintained at...

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  12. The reezer in a refrigeratror is located at the top section so that

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  15. A black body is at a temperature 300 K. It emits energy at a rate, whi...

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  16. If temperature of a black body increases from 7^(@)C to 287^(@)C , the...

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  17. A black body is heated from 27^(@)C to 127^(@)C. The ratio of their en...

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  18. The rate of dissipation of heat by a black body at temperature T is Q....

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  19. A copper ball 2 cm in radius is heated in a furnace at 327^@C If its e...

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  20. A black body, at a temperature of 227^@C, radiates heat at a rate of 2...

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