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If ideal diatomic gas follows the process as shown in graph where $T$ is temperature in $kelvin$ and $V$ is volume $(m^{3})$ , then molar heat capacity for this process will be [in terms of gas constant $R$ ],

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Important Questions on Thermodynamics

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IMPORTANT

Physics Crash Course JEE Main>Chapter 10 - Thermodynamics>Level 2>Q 6

Air in a cylinder is suddenly compressed by a piston, which is then maintained at the same position. With the passage of time,

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Physics Crash Course JEE Main>Chapter 10 - Thermodynamics>Level 2>Q 7

The pressure

P

, volume

V

and temperature

T

of a certain material are related by the equation

P = α T^{2} / V

. The work done by the material at constant pressure, when the temperature changes from

T_{0}

2 T_{0}

, is

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Physics Crash Course JEE Main>Chapter 10 - Thermodynamics>Level 2>Q 8

Ideal gas is taken through a process as shown in figure

Question Image

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JEE Main

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Physics Crash Course JEE Main>Chapter 10 - Thermodynamics>Level 2>Q 9

A work of

146 kJ

is performed on the gas, in order to compress one-kilo mole of gas adiabatically and into this process the temperature of the gas increases by

7 ° C .

The gas is

(R = 8.3 J {mol}^{- 1} K^{- 1})

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Physics Crash Course JEE Main>Chapter 10 - Thermodynamics>Level 2>Q 10

An ideal gas undergoes a quasi-static, reversible process in which its molar heat capacity

C

remains constant. If during this process, the relation of pressure

P

and volume

V

is given by,

P V^{n} =

constant, then

n

is given by (

C_{P} =

molar specific heat at constant pressure,

C_{V} =

molar specific heat at constant volume),

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Physics Crash Course JEE Main>Chapter 10 - Thermodynamics>Level 2>Q 11

At low temperatures, the molar heat capacity of solids at constant pressure depends on the absolute temperature

T

according to the law

C_{T} = C_{T_{0}} {(\frac{T}{T_{0}})}^{3} .

One mole

(40 g)

of solid argon at temperature

8 K

is brought into thermal contact with

2 kg

of solid argon at a temperature of

1 K

and they insulated everything together. What will be the temperature (in

K

) of the substance when thermal equilibrium is established? Round off to nearest integer.

HARD

JEE Main

IMPORTANT

Physics Crash Course JEE Main>Chapter 10 - Thermodynamics>Level 2>Q 12

A closed vessel contains $0.1$ mole of a monoatomic ideal gas at $200 K .$ If $0.05$ mole of the same gas at $400 K$ is added to it, the final equilibrium temperature (in $K$ ) of the gas in the vessel will be close to _______.

(Note: Round off the answer to nearest integer)

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Physics Crash Course JEE Main>Chapter 10 - Thermodynamics>Level 2>Q 13

A gas is compressed isothermally to half its initial volume. The same gas is compressed separately through an adiabatic process until its volume is again reduced to half. Then

If ideal diatomic gas follows the process as shown in graph where T is temperature in kelvin and V is volume (m3), then molar heat capacity for this process will be [in terms of gas constant R],

Important Questions on Thermodynamics

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If ideal diatomic gas follows the process as shown in graph where $T$ is temperature in $kelvin$ and $V$ is volume $(m^{3})$ , then molar heat capacity for this process will be [in terms of gas constant $R$ ],