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Q. 'Therm' is the unit of
'Therm' is the unit of heat.
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Q. Why does evaporation bring a fall in temperature?
Q. A radioactive substance does not undergo any change (in mass or charge) during
Q. Which of the following instruments is used to measure humidity ?
Q. Sound waves cannot travel in
Q. The source of the Sun's energy is the process of
Q. Find the current (in A) when a charge of 500 Coulomb flows in 25 seconds.
Q. The temperature of a liquid is 32° F. What is its temperature in Celsius scale?
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