Physics
Heat is measured by:
- thermometer
- barometer
- principle of calorimetry
- both (1) and (2)
Calorimetry
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Answer
principle of calorimetry
Reason — Heat is measured by calorimetry, which involves the determination of heat changes in a system through the measurement of temperature changes.
Heat energy lost by a hot body = Heat energy gained by the cold body.
This is called the principle of calorimetry.
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Related Questions
The specific heat capacity is maximum for :
- copper
- zinc
- iron
- hydrogen
The principle of calorimetry is based on :
- law of conservation of heat
- law of conservation of energy
- both (1) and (2)
- conservation of momentum
Assertion (A): The specific heat capacity of a substance is the amount of heat required to raise the temperature of unit mass of that substance by 1°C.
Reason (R): The specific heat capacity of a substance is not its characteristic property.
- Both A and R are true and R is the correct explanation of A
- Both A and R are true and R is not the correct explanation of A
- assertion is false but reason is true
- assertion is true but reason is false.
Assertion (A): The principle of the method of mixtures involves mixing substances at different temperatures to find the final temperature.
Reason (R): The law of conservation of energy states that the energy is neither created nor destroyed in an isolated system.
- Both A and R are true and R is the correct explanation of A.
- Both A and R are true and R is not the correct explanation of A.
- assertion is false but reason is true.
- assertion is true but reason is false.