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The quantity of heat required to change ...

The quantity of heat required to change the unit mass of a solid substance, from solid-state to liquid state, while the temperature remains constant, is known as

A

latent heat

B

sublimation

C

hoar frost

D

latent heat of fusion

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SL ARORA-Thermal Properties of Matter-Exercise
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  2. A simple pendulum made of bob of mass m and a metallic wire of neglig...

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  3. The quantity of heat required to change the unit mass of a solid subst...

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  4. When a solid is heated, it turns directly into a gas. This process is ...

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  5. A constant pressure air thermometer gave a reading of 47.5 units of vo...

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  6. A non-conducting body floats in a liquid at 20^(@)C. with 2//3 of its ...

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  7. Calorimeters are made of which of the following

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  8. Hailstone at 0^@C from a height of 1 km on an insulating surface conve...

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

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

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

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  12. Heat travels through vaccum by

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

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  14. The unit of thermal conductivity is :

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

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

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  17. Three objects coloured black, gray and white can withstand hostile con...

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  18. If the amount of heat energy received per unit area from the Sun is me...

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

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

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