Kinetic Theory of Gases Test

Result

Kinetic Theory of Gases Test - 15

Score
-
out of -
Rank
-
out of -

TIME Taken - -

SHARING IS CARING

If our Website helped you a little, then kindly spread our voice using Social Networks. Spread our word to your readers, friends, teachers, students & all those close ones who deserve to know what you know now.

Weekly Quiz Competition

Question 1
4 / -1

Pressure of an ideal gas is increased by keeping temperature constant what is the effect on kinetic energy of molecules.

A
Decrease

B
Increase

C
No change

D
Can`t be determined
Question 2
4 / -1

A sealed container with negligible co-efficient of volumetric expansion contains helium (a monoatomic gas) when it is heated from 200 K to 600 K, the averagy K.E. of helium atom is

A
Halved

B
Doubled

C
Unchanged

D
Increased by factor √2
Question 3
4 / -1

The mean kinetic energy of a gas at 300 K is 100J. mean energy of the gas at 450 K is equal to

A
100 J

B
150 J

C
3000 J

D
450 J

Solution
Question 4
4 / -1

The average kinetic energy of a gas molecule at 27^o C is 6.21 × 10^–21 J. Its average kinetic energy at 227^o C will be

A

B

C

D

Solution
Question 5
4 / -1

The average translational kinetic energy of O₂ (molar mass 32) molecules at a particular temperature is 0.068 eV. The translational kinetic energy of N₂ (molar mass 28) molecules in eV at the same temperature is

A
0.003 eV

B
0.068 eV

C
0.056 eV

D
0.678 eV
Question 6
4 / -1

The kinetic energy of one mole gas at 300 K temperature is E. At 400 K temperature kinetic energy is E\'. The value of E\'/E is

A
2

B
16/9

C
1.33

D

Solution
Question 7
4 / -1

The temperature at which the average translational kinetic energy of a molecule is equal to the energy gained by an electron accelerating from rest through a potential differencc of 1 volt is

A

B

C

D

Solution
Question 8
4 / -1

According to the kinetic theroy of gases the r.m.s velocity of gas molecules is directly proportional to

A

B

C
T

D

Solution
Question 9
4 / -1

If the ratio of vapour density for hydrogen and oxygen is 1/16 then under constant pressure the ratio of their rms velocities will be

A
4:1

B
1:16

C
16:1

D
1:4

Solution
Question 10
4 / -1

To what temperature should the hydrogen at 327^o C cooled at constant pressure, so that the root mean square velocity of its molcules become half of its previous value

A
–100^o C

B
123^o C

C
0^o C

D
–123^o C

Solution