MEDIUM

Earn 100

What is the primary function of the Committee on Privileges in the Parliament?

50% studentsanswered this correctly

Important Questions on Kinetic Theory

EASY

Physics>Heat and Thermodynamics>Kinetic Theory>Specific Heat Capacity of Gases

A particle of mass

m

is moving in a circular path of constant radius

r

such that its centripetal acceleration

a_{c}

is varying with time

t

a_{c} = k^{2} r t^{2}

, where

k

is a constant. The power delivered to the particle by the force acting on it is -

HARD

Physics>Heat and Thermodynamics>Kinetic Theory>Specific Heat Capacity of Gases

The value of

n \in I

for which the function

f (x) = \frac{\sin n x}{\sin (\frac{x}{n})}

has

4 π

as its period is:

EASY

Physics>Heat and Thermodynamics>Kinetic Theory>Specific Heat Capacity of Gases

Describe the total degrees of freedom for mono-atomic molecule, diatomic molecule and triatomic molecule.

EASY

Physics>Heat and Thermodynamics>Kinetic Theory>Specific Heat Capacity of Gases

500 J

of heat energy is removed from

4 moles

of a monoatomic ideal gas at constant volume. The temperature drops by

MEDIUM

Physics>Heat and Thermodynamics>Kinetic Theory>Specific Heat Capacity of Gases

Three moles of oxygen are mixed with two moles of helium. What will be the ratio of specific heats at constant pressure and constant volume for the mixture?

EASY

Physics>Heat and Thermodynamics>Kinetic Theory>Specific Heat Capacity of Gases

During an adiabatic process, the pressure of a mixture of monatomic and diatomic gases is found to be proportional to the cube of the temperature. Find the value of

γ = \frac{C_{p}}{C_{v}}

EASY

Physics>Heat and Thermodynamics>Kinetic Theory>Specific Heat Capacity of Gases

Water is used as a coolant because

EASY

Physics>Heat and Thermodynamics>Kinetic Theory>Specific Heat Capacity of Gases

Estimate the total number of air molecules in a room of capacity

25 m^{3}

at a temperature of

27 ° C

EASY

Physics>Heat and Thermodynamics>Kinetic Theory>Specific Heat Capacity of Gases

When an ideal diatomic gas is heated at constant pressure, the fraction of the heat energy supplied which increases the internal energy of the gas is

MEDIUM

Physics>Heat and Thermodynamics>Kinetic Theory>Specific Heat Capacity of Gases

A gaseous mixture enclosed in a vessel contains

1 g

mole of a gas

A

(with

γ = 5 / 3

) and another gas

B

(with

γ = 7 / 5

) at a temperature

T

. The gases

A

and

B

do not react with each other and are assumed to be ideal. The number of gram moles of

B

γ

for the gaseous mixture is

19 / 13

is:

EASY

Physics>Heat and Thermodynamics>Kinetic Theory>Specific Heat Capacity of Gases

If universal gas constant is

R

, the essential heat to increase from 273 K to 473 K at constant volume for monoatomic ideal gas of 4 mol is

HARD

Physics>Heat and Thermodynamics>Kinetic Theory>Specific Heat Capacity of Gases

One mole of an ideal monatomic gas at temperature

T_{0}

expands slowly according to the law

\frac{P}{V} = c

. If the final temperature is

2 T_{0}

, heat supplied to the gas is: (

c

is a constant)

EASY

Physics>Heat and Thermodynamics>Kinetic Theory>Specific Heat Capacity of Gases

The ratio

γ = \frac{C_{p}}{C_{v}}

for a gas mixture consisting of

8 g

of helium and

16 g

of oxygen is

EASY

Physics>Heat and Thermodynamics>Kinetic Theory>Specific Heat Capacity of Gases

The temperature of a silver bar rises by

10 ° C

when it absorbs

1.23 kJ

of energy by heat. The mass of the bar is

525 g

. Determine the specific heat of silver.

MEDIUM

Physics>Heat and Thermodynamics>Kinetic Theory>Specific Heat Capacity of Gases

Derive the ratio of two specific heat capacities of mono-atomic, diatomic and triatomic molecules.

EASY

Physics>Heat and Thermodynamics>Kinetic Theory>Specific Heat Capacity of Gases

In the above question, if

γ = 1.5

, the gas may

EASY

Physics>Heat and Thermodynamics>Kinetic Theory>Specific Heat Capacity of Gases

Two mole of oxygen is mixed with eight mole of helium. The effective specific heat of the mixture at constant volume is _____

R

EASY

Physics>Heat and Thermodynamics>Kinetic Theory>Specific Heat Capacity of Gases

C_{P}

and

C_{v}

denote the specific heats of unit mass of nitrogen at constant pressure and volume respectively, then:

EASY

Physics>Heat and Thermodynamics>Kinetic Theory>Specific Heat Capacity of Gases

In a process, temperature and volume of one mole of an ideal monoatomic gas are varied according to the relation

V T = K,

where

K

is a constant. In this process the temperature of the gas is increased by

∆ T .

The amount of heat absorbed by gas is (

R

is gas constant):

EASY

Physics>Heat and Thermodynamics>Kinetic Theory>Specific Heat Capacity of Gases

Energy of all molecules of a monatomic gas having a volume V and pressure P is 3/2 PV. The total translational kinetic energy of all molecules of a diatomic gas at the same volume and pressure is

What is the primary function of the Committee on Privileges in the Parliament?

Important Questions on Kinetic Theory

Learn and Prepare for any exam you want !