MEDIUM
11th Telangana Board
IMPORTANT
Earn 100

Define state variables and equation of state.

Important Questions on Thermodynamics

MEDIUM
11th Telangana Board
IMPORTANT
Intermediate First Year Physics>Chapter 13 - Thermodynamics>EXERCISES>Q 9

Why heat engine with 100% efficiency can never be realised?

MEDIUM
11th Telangana Board
IMPORTANT
Intermediate First Year Physics>Chapter 13 - Thermodynamics>EXERCISES>Q 10

In summer, when the valve of a bicycle tube is opened, the escaping air appears cold. Why?

EASY
11th Telangana Board
IMPORTANT
Intermediate First Year Physics>Chapter 13 - Thermodynamics>EXERCISES>Q 11

Why does the brake drum of an automobile get heated up while moving down with constant speed?

MEDIUM
11th Telangana Board
IMPORTANT
Intermediate First Year Physics>Chapter 13 - Thermodynamics>EXERCISES>Q 12

Can a room be cooled by leaving the door of an electric refrigerator open?

HARD
11th Telangana Board
IMPORTANT
Intermediate First Year Physics>Chapter 13 - Thermodynamics>EXERCISES>Q 13

Which of the two will increase the pressure more, an adiabatic or an isothermal process, in reducing the volume to 50%?

MEDIUM
11th Telangana Board
IMPORTANT
Intermediate First Year Physics>Chapter 13 - Thermodynamics>EXERCISES>Q 14
A thermos flask containing a liquid is shaken vigorously. What happens to its temperature?
HARD
11th Telangana Board
IMPORTANT
Intermediate First Year Physics>Chapter 13 - Thermodynamics>EXERCISES>Q 15

A sound wave is sent into a gas pipe. Does its internal energy change?

EASY
11th Telangana Board
IMPORTANT
Intermediate First Year Physics>Chapter 13 - Thermodynamics>EXERCISES>Q 16

How much will be the internal energy change in an isothermal process?