HARD
11th West Bengal Board
IMPORTANT
Earn 100

What is a cyclic process? In a cyclic process change in internal energy is zero. Explain.

Important Questions on Thermodynamics

MEDIUM
11th West Bengal Board
IMPORTANT
Can all processes which conserve energy occur in nature ?
HARD
11th West Bengal Board
IMPORTANT
What are the limitations of first law of thermodynamics ?
EASY
11th West Bengal Board
IMPORTANT
State the two equivalent statements of second law of thermodynamics.
MEDIUM
11th West Bengal Board
IMPORTANT
What are reversible and irreversible processes ?
HARD
11th West Bengal Board
IMPORTANT
What are essential conditions for a process to be reversible ?
HARD
11th West Bengal Board
IMPORTANT
Why real processes cannot be reversible
HARD
11th West Bengal Board
IMPORTANT
Name five processes which are irreversible.
HARD
11th West Bengal Board
IMPORTANT
What is a heat engine? What is called the efficiency of a heat engine? Why the efficiency of a heat engine cannot a hundred per cent?