372. Internal energy of a substance depends on
A.Volume
B.Pressure
C.Temperature
D.Entropy

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373. A diathermic Wall is one which
A.Prevents thermal interaction
B.Permits thermal interaction
C.Encourages thermal interaction
D.Discourages thermal interaction

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374. An adiabatic wall is one which
A.Prevents thermal interaction
B.Permits thermal interaction
C.Encourages thermal interaction
D.Discourages thermal interaction

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375. The door of a running refrigerator inside a room was left open. Which of the following statements is correct?
A.The room will be cooled to the temperature inside the refrigerator
B.The room will be cooled very slightly
C.The room will be gradually warmed up
D.The temperature of the air in room will remain unaffected

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376. Compressed air coming out from a punctured football
A.Becomes hotter
B.Becomes cooler
C.Remains at the same temperature
D.May become hotter or cooler depending upon the humidity of the surrounding air

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377. Water contained in a beaker can be made to boil by passing steam through it
A.At atmospheric pressure
B.At pressure below the atmospheric pressure
C.At a pressure greater than atmospheric pressure
D.Any pressure

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378. The only false statement in the following ones is
A.Heat can be converted into work
B.Heat rays can be converged at one point by concave mirror
C.Water expands when cooled below 4°C
D.Heat rays cannot pass through vacuum

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