1
WB JEE 2008
MCQ (Single Correct Answer)
+1
-0.25

An experiment takes 10 minutes to raise temperature of water from 0$$^\circ$$C to 100$$^\circ$$C and another 55 minutes to convert it totally into steam by a stabilized heater. The latent heat of vaporization comes out to be

A
530 cal/g
B
540 cal/g
C
550 cal/g
D
560 cal/g
2
WB JEE 2008
MCQ (Single Correct Answer)
+1
-0.25

At what temperature will the rms speed of air molecules be double that of NTP?

A
519$$^\circ$$C
B
619$$^\circ$$C
C
719$$^\circ$$C
D
819$$^\circ$$C
3
WB JEE 2008
MCQ (Single Correct Answer)
+1
-0.25

When the room temperature becomes equal to the dew point, the relative humidity of the room is

A
100%
B
zero%
C
70%
D
85%
4
WB JEE 2025
MCQ (Single Correct Answer)
+1
-0.25

For an ideal gas, a cyclic process ABCA as shown in P-T diagram, when presented in P-V plot, would be

WB JEE 2025 Physics - Heat and Thermodynamics Question 2 English

A
WB JEE 2025 Physics - Heat and Thermodynamics Question 2 English Option 1
B
WB JEE 2025 Physics - Heat and Thermodynamics Question 2 English Option 2
C
WB JEE 2025 Physics - Heat and Thermodynamics Question 2 English Option 3
D
WB JEE 2025 Physics - Heat and Thermodynamics Question 2 English Option 4
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