CUET-PG SERIES

Material-science-and-technology

Law Of Thermodynamics

3 previous year questions.

Volume: 3 Ques

Yield: Medium

High-Yield Trend

3

2024

Chapter Questions
3 MCQs

01

PYQ 2024

medium

material-science-and-technology ID: cuet-pg-

Two liters of an ideal gas at a pressure of 10 atm expands isothermally into a vacuum until its total volume is 10 liters. The heat absorbed during the process is:

1

0

2

2

3

4

4

6

02

PYQ 2024

medium

material-science-and-technology ID: cuet-pg-

100 g of water is slowly heated from 27◦C to 87◦C. The change in entropy of water is (Specific heat capacity of water = 4200 J/kg/K)

1

376.6 J/K

2

276.6 J/K

3

176.6 J/K

4

76.6 J/K

03

PYQ 2024

medium

material-science-and-technology ID: cuet-pg-

100 calories of heat is given to a gas in a vessel fitted with a movable piston. The gas does 40 joules of work in expansion. The increase in internal energy is

1

578 J

2

478 J

3

318 J

4

218 J