HSC Science (General) 12th Standard Board Exam - Maharashtra State Board Question Bank Solutions for Physics

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. 

Write a note on free expansion.

Explain work done during a thermodynamic process.

Explain the thermodynamics of the isobaric process.  

Explain the thermodynamics of the isochoric process.  

Explain thermodynamics of the adiabatic process.  

The equation of a simple harmonic progressive wave is given by, y = 5cosπ`[200t - x/150]`, where x and y are in cm and ‘t’ is in second. Then the velocity of the wave is ______.

The integral multiple of fundamental frequencies are ______ 

What are beats?

What are harmonics? 

What are overtones?

A violin string vibrates with the fundamental frequency of 510 Hz. What is the frequency of the first overtone?