JEE Mains Heat and Thermodynamics

Test Preparation on JEE Mains Heat and Thermodynamics Paper (I)-2018

1.

Which statement is incorrect?

1all reversible cycles have same efficiency
2reversible cycle has more efficiency than an irreversible one
3Carnot cycle is a reversible one
4Carnot cycle has the maximum efficiency in all cycles.

2.

Heat has given to a body which raises its temperature by 1°C
is [2002]

1water equivalent
2thermal capacity [2002]
3specific heat
4temperature gradient

3.

Infrared radiation is detected by [2002]

1spectrometer
2pyrometer
3nanometer
4photometer

4.

Which of the following is more close to a black body?

1black board paint
2green leaves
3black holes
4red roses

5.

Cooking gas containers are kept in a lorry moving with uniform speed. The temperature of the gas molecules inside will [2002]

1increase
2decrease
3remain same
4decrease for some, while increase for others

Check your progress:


Right Ans	Wrong Ans	Not Attempted

Prev Question Next Question Show Answer