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Kinetic Theroy of gases

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

What is the average velocity of gas molecules of an ideal gas?

a)

0

b)

c)

8KTmπ\sqrt{\frac{8KT}{m\pi}}

d)

Can't say anything

2.

Pressure exerted by a gas depends on:

a)

Volume of gas chamber

b)

Density of gas

c)

Density of glass of chamber

d)

speed of gas molecules

3.

Degree of freedom of a diatomic gas molecule is:

a)

6

b)

5

c)

7

d)

undefined

4.

According to Law of Equipartition of Energy

a)

Energy of the system of particles is equally distributed amongst various degrees of freedom

b)

energy possessed by each particle in each degree of freedom is KT/2

c)

All the above

5.

Unit of Specific heat in SI unit is:

a)

J/kg/K

b)

erg/gm/K

c)

erg/Kg/K

d)

All the Above

6.

According to Maxwell speed distribution Law , Most probable speed relationship with Temperature is:

a)

it does not depend on temperature

b)

increases with increase in temperature

c)

decreases with increase of temperature

d)

don't know the answer

7.

According to Distribution Law, r.m.s speed is

a)

3kTm\sqrt{\frac{3kT}{m}}

b)

3kTmπ\sqrt{\frac{3kT}{m\pi}}

c)

8KTmπ\sqrt{\frac{8KT}{m\pi}}

d)

2kTm\sqrt{\frac{2kT}{m}}

8.

According to Maxwell's Energy Distribution Law, distribution of molecules P(E) is independent of

a)

Energy (E)

b)

mass of a molecule (m)

c)

Temperature (T) of the gas

d)

none of the above is correct

9.

y in the graph, According to Maxwell Distribution Law, represents:

a)

Fraction of total molecules having speed between c and c+dc, dn/n

b)

no of molecules, n

c)

speed (c)

d)

All of the above

10.

The above equation is giving us:

a)

no of molecules having speed between c and c + dc

b)

no of molecules having speed c

c)

no of molecules having speed dc

d)

I don't know the answer