MEDIUM
11th Tamil Nadu Board
IMPORTANT
Earn 100

An ideal refrigerator has a freezer at temperature -12°C. The coefficient of performance of the engine is 5. The temperature of the air (to which the heat ejected) is :-

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Important Questions on Heat and Thermodynamics

EASY
11th Tamil Nadu Board
IMPORTANT
An object contains more heat’- is it a right statement? If not why?
EASY
11th Tamil Nadu Board
IMPORTANT
Obtain an ideal gas law from Boyle’s and Charles’ law.
EASY
11th Tamil Nadu Board
IMPORTANT
Define one mole.
EASY
11th Tamil Nadu Board
IMPORTANT
Define specific heat capacity and give its unit.
EASY
11th Tamil Nadu Board
IMPORTANT
Define molar specific heat capacity.
EASY
11th Tamil Nadu Board
IMPORTANT
What is a thermal expansion?
MEDIUM
11th Tamil Nadu Board
IMPORTANT
Give the expressions for linear, areal and cubical thermal expansions.
MEDIUM
11th Tamil Nadu Board
IMPORTANT
Define latent heat capacity. Give its unit.