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True or False : Water vapour content of...

True or False :
Water vapour content of air is measured by relative humidity.

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It is measured by absolute humidity.
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What is relative humidity?

Find the mass of water vapour per cubic metre of air at temperature 300K and relative humidity 50%. The saturation vapour pressure at 300K is 3.6kPa and the gas constant R=8.3JK^(-1)mol^(-1) .

Differentiate absolute and relative humidity.

True or False : Absolute humidity is measured in g // m^(3)

True or False: In CGS system, heat is measured in joules.

Relative humidity is measured by

True or False: Presence of moisture in air is called humidity.

The amount of water vapour in the air is known as___.

True or False: A hand span is a reliable measure of length.

True or False: Length of one's chest can be measured by using metre scale.

CHETAN PUBLICATION-HEAT-State whether following statement are True or False. If false; rectify the statement.
  1. True or False : Different substances have different melting points.

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  2. True or False : Different substances have same specific heat capacitie...

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  3. Two vessels of different materials are similar in size in every respec...

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  4. If the ratio of coefficient of thermal conductivity of silver and copp...

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  5. True or False: Presence of moisture in air is called humidity.

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  6. The thickness of a metallic plate is 0.4 cm. The temperature between i...

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  7. True or False : Water vapour content of air is measured by relative h...

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  8. True or False : Absolute humidity is measured in g // m^(3)

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  9. The dimensions of thermal resistance are

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  10. A slab consists of two parallel layers of copper and brass of the same...

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  11. True or False: S.I. unit of heat is joule.

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  12. True or False: In CGS system, heat is measured in joules.

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  13. True or False: 1 J = 4.18 cal.

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  14. True or False: Specific heat is denoted by letter 'h'.

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  15. True or False: Specific heat capacity is measured in SI system in J//k...

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  16. True or False: In CGS, specific heat capacity can be measured in calor...

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  17. True or False: Thermometer is used to measure specific heat capacity.

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  18. True or False: The specific heat capacity of water is 1.0 cal//g^(@)C

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