WB JEE 2008 | Heat and Thermodynamics Question 1 | Physics

WB JEE 2008

MCQ (Single Correct Answer)

-0.25

Six molecules have speeds 2 units, 5 units, 3 units, 6 units, 3 units and 5 units respectively. The rms speed is

4 units

1.7 units

4.2 units

5 units

WB JEE 2008

MCQ (Single Correct Answer)

-0.25

Which one of the figures gives the temperatures dependance of density of water correctly?

WB JEE 2008 Physics - Heat and Thermodynamics Question 7 English Option 1

WB JEE 2008 Physics - Heat and Thermodynamics Question 7 English Option 2

WB JEE 2008

MCQ (Single Correct Answer)

-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

530 cal/g

540 cal/g

550 cal/g

560 cal/g

WB JEE 2008

MCQ (Single Correct Answer)

-0.25

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

519$$^\circ$$C

619$$^\circ$$C

719$$^\circ$$C

819$$^\circ$$C

WB JEE Subjects