# Heat and Thermodynamics · Physics · BITSAT

Start Practice## MCQ (Single Correct Answer)

BITSAT 2022

A monoatomic gas of molar mass m is kept in a insulated container. Container is moving with velocity v. If the container is suddenly stopped, then the...

BITSAT 2022

One mole of an ideal diatomic gas undergoes a process as shown in the figure. The molar specific heat of the gas in the process is
...

BITSAT 2021

An ideal monoatomic gas is taken round the cycle ABCDA as shown in the p-diagram
The work done during the cycle is...

BITSAT 2021

Which of the following graphs show the correct relation between conductivity and temperature for a metallic conductor?

BITSAT 2021

The ratio of the specific heats $${{{C_v}} \over {{C_p}}} = {1 \over \gamma }$$ in terms of degrees of freedom (n) is given by

BITSAT 2020

A black body radiates energy at the rate E Wm$$-$$2 at high temperature TK. When the temperature is reduced to $$\left( {{T \over 4}} \right)$$ K, the...

BITSAT 2020

In an adiabatic process, where pressure is decreased by $${3 \over 4}$$%, if $${{{C_p}} \over {{C_v}}} = {4 \over 3}$$, then the volume increases by...

BITSAT 2020

A Carnot engine has the same efficiency between 600 K to 300 K and 1600 K to x K, then the value of x is

BITSAT 2020

A vessel contains one mole of O2 gas (molar mass 32) at a temperature T. The pressure of the gas is p. An identical vessel containing one mole of He g...

BITSAT 2020

The figure shows graphs of pressure (p) versus density (d) for an ideal gas at two temperatures T1 and T2, then
...

BITSAT 2020

When 2 moles of a monoatomic gas are mixed with 3 moles of a diatomic gas, the value of adiabatic exponent for the mixture is