WB JEE 2021 | Heat and Thermodynamics Question 15 | Physics

WB JEE 2021

MCQ (Single Correct Answer)

-0.25

If pressure of real gas O₂, in a container is given by $$p = {{RT} \over {2V - b}} - {a \over {4{b^2}}}$$, then the mass of the gas in the container is

32 g

16 g

4 g

64 g

WB JEE 2021

MCQ (Single Correct Answer)

-0.25

300 g of water at 25$$^\circ$$C is added to 100 g of ice at 0$$^\circ$$C. The final temperature of the mixture is

12.5$$^\circ$$C

0$$^\circ$$C

25$$^\circ$$C

50$$^\circ$$C

WB JEE 2020

MCQ (Single Correct Answer)

-0.25

An ideal gas undergoes the cyclic process abca as shown in the given p - V diagram

WB JEE 2020 Physics - Heat and Thermodynamics Question 34 English

It rejects 50J of heat during ab and absorbs 80J of heat during ca. During bc, there is no transfer of heat and 40J of work is done by the gas. What should be the area of the closed curved abca?

30J

40J

10J

90J

WB JEE 2020

MCQ (Single Correct Answer)

-0.25

A container AB in the shape of a rectangular parallelopiped of length 5 m is divided internally by a movable partition P as shown in the figure.

WB JEE 2020 Physics - Heat and Thermodynamics Question 32 English

WB JEE 2020 Physics - Heat and Thermodynamics Question 32 English

The left compartment is filled with a given mass of an ideal gas of molar mass 32 while the right compartment is filled with an equal mass of another ideal gas of molar mass 18 at same temperature. What will be the distance of P from the left wall A when equilibrium is established?

2.5 m

1.8 m

3.2 m

2.1 m

PREVIOUS NEXT

WB JEE Subjects