Thermodynamics-Concept of Temperature (BITSAT Physics): Questions 1 - 6 of 6

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Question number: 1

» Thermodynamics » Concept of Temperature

MCQ▾

Question

Coefficient of performance of an ideal refrigerator working between temperatures T1andT2(T1>T2) is –

Choices

Choice (4) Response

a.

β=T2T1T2

b.

β=T1T1T2

c.

β=T1T1+T2

d.

β=T2T1+T2

Question number: 2

» Thermodynamics » Concept of Temperature

MCQ▾

Question

Equation for the change of state was given by –

Choices

Choice (4) Response

a.

Newton

b.

Clausius

c.

Joules

d.

Clausius – Clapeyron

Question number: 3

» Thermodynamics » Concept of Temperature

MCQ▾

Question

16g of oxygen at 37°C is mixed with 14g of nitrogen at 27°C, the temperature of the mixture will be –

Choices

Choice (4) Response

a.

30.5°C

b.

37°C

c.

27°C

d.

32°C

Question number: 4

» Thermodynamics » Concept of Temperature

MCQ▾

Question

If a thermometer reads freezing point of water as 20oC and boiling point as 150oC, how much thermometer read when the actual temperature is 60oC?

Choices

Choice (4) Response

a.

110oC

b.

60oC

c.

40oC

d.

98oC

Question number: 5

» Thermodynamics » Concept of Temperature

MCQ▾

Question

When the atmospheric temperature becomes nearly equal to the dew point, then

Choices

Choice (4) Response

a.

Relative humidity is 90%

b.

Relative humidity is 100%

c.

Relative humidity is 50%

d.

Nothing can be said

Question number: 6

» Thermodynamics » Concept of Temperature

MCQ▾

Question

A Centigrade and a Fahrenheit thermometer are dipped in boiling water. The water temperature is lowered until the Fahrenheit thermometer registers 140° . The fall in temperature as registered by the Centigrade thermometer will be –

Choices

Choice (4) Response

a.

40°

b.

60°

c.

30°

d.

80°

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