HSC Science (Electronics) १२ वीं कक्षा - Maharashtra State Board Question Bank Solutions for Physics

State factors on which the amount of heat radiated by a body depends.

Calculate the ratio of two specific heats of polyatomic gas molecules.  

Derive Mayer’s relation.

Two systems at the same temperature are said to be in ______ 

For work done to be reversible, the process should be ______ 

Heating a gas in a constant volume container is an example of which process?

When two objects are said to be in thermal equilibrium?

What is a thermodynamic process?

Draw a p-V diagram of the reversible process. 

Draw a p-V diagram of the irreversible process. 

Draw a p-V diagram showing positive work with varying pressure. 

Draw a p-V diagram showing negative work with varying pressure. 

Draw a p-V diagram showing positive work at constant pressure. 

State the assumptions made for thermodynamic processes.

Differentiate between the reversible and irreversible processes.

Explain the cyclic process. 

3 mole of a gas at temperature 400 K expands isothermally from an initial volume of 4 litres to a final volume of 8 litres. Find the work done by the gas. (R = 8.31 J mol^-1 K^-1)  

An ideal gas of volume 2 L is adiabatically compressed to (1/10)^th of its initial volume. Its initial pressure is 1.01 x 105 Pa, calculate the final pressure. (Given 𝛾 = 1.4) 

Write a note on thermodynamic equilibrium.

Explain graphically (i) positive work with varying pressure, (ii) negative work with varying pressure, and (iii) positive work at constant pressure.