Alpha Question Bank for Medical: Physics>Chapter 17 - Thermodynamics>Exercise-1>Q 76

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A gas is expanded from volume $V_{0}$ to $2 V_{0}$ under three different processes. Process $1$ is isobaric process, process $2$ is isothermal and process $3$ is adiabatic. Let $Δ U_{1}, Δ U_{2}$ and $Δ U_{3}$ be the change in internal energy of the gas is these three processes. Then:

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Important Questions on Thermodynamics

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Alpha Question Bank for Medical: Physics>Chapter 17 - Thermodynamics>Exercise-1>Q 77

The molar heat capacity for the process shown in figure is (here $K$ is a constant)

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Alpha Question Bank for Medical: Physics>Chapter 17 - Thermodynamics>Exercise-1>Q 78

Find the amount of work done to increase the temperature of one mole of ideal gas by

30 ° C

, if it is expanding under the condition

V \propto T^{\frac{2}{3}}

.

(R = 8 .31 J {mol}^{- 1} K^{- 1})

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Alpha Question Bank for Medical: Physics>Chapter 17 - Thermodynamics>Exercise-1>Q 79

V = k {(\frac{P}{T})}^{0.33}

; where

k

is constant. It is a

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Alpha Question Bank for Medical: Physics>Chapter 17 - Thermodynamics>Exercise-1>Q 80

For adiabatic process of an ideal gas, the value of

\frac{d P}{P}

is equal to-

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Alpha Question Bank for Medical: Physics>Chapter 17 - Thermodynamics>Exercise-1>Q 81

Isobaric modulus of elasticity is,

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Alpha Question Bank for Medical: Physics>Chapter 17 - Thermodynamics>Exercise-1>Q 82

Two samples of a gas

A

and

B

initially at same temperature and pressure are compressed to half their initial volume

A

isothermally and

B

adiabatically. The final pressure in

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Alpha Question Bank for Medical: Physics>Chapter 17 - Thermodynamics>Exercise-1>Q 83

The isothermal bulk modulus of elasticity of a gas is

1.5 \times 10^{5} N m^{- 2}

. Its adiabatic bulk modulus of elasticity will be if

γ = 1.4

,

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Alpha Question Bank for Medical: Physics>Chapter 17 - Thermodynamics>Exercise-1>Q 84

The pressure and volume of a diatomic gas are

P

and

V

, respectively. It is compressed suddenly to

1 / 32

of its initial volume, then its final pressure will be