Kinetic Theory of Gases Test

Result

Kinetic Theory of Gases Test - 74

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

The speeds of 5 molecules of a gas (in arbitrary units) are as follws: 2, 3, 4, 5, 6, The root mean squre speed for these molecules is

A
4.24

B
2.91

C
4.0

D
3.52

Solution
Question 2
4 / -1

To what temperature should the hydrogen at room temperature (27^o C) be heated at constant pressuse so that the rms velocity of its molecule becomes double of its previous value

A
927^o C

B
600^o C

C
108^o C

D
1200^o C

Solution
Question 3
4 / -1

The rms speed of gas molecules is given by

A

B

C

D

Solution
Question 4
4 / -1

A sample of gas is at O^o C. To what temperature it must be raised in order to double the rms speed of molecule.

A
270^o C

B
819^o C

C
100^o C

D
1090^o C

Solution
Question 5
4 / -1

The molecules of a given mass of a gas have a rms velocity of 200m s at 27^o C and 1.0 × 10⁵ Nm^–2 pressure when the temperature is 127^o C and pressure is 0.5 × 10⁵ Nm^–2, the rms velocity in m/s will be

A

B

C

D
None of these

Solution
Question 6
4 / -1

If the molecular weight of two gases are M₁ and M₂ , then at a given temperature the ratio of root mean square velocity v₁ and v₂ will be

A

B

C

D

Solution
Question 7
4 / -1

The root mean square velocity of the molecules in a sample of helium is 5/7 th that of the molecules in a sample of hydrogen. If the temperature of hydorgen sample is 0^oC, then the temperature of the helium sample is about

A
273^o C

B
0^o C

C
O K

D
100^o C

Solution
Question 8
4 / -1

At room temperature ( 27^o C), the rms speed of the molecules of certain diatomic gas is found to be 1930 m/s. The gas is

A
O₂

B
Cl₂

C
H₂

D
F₂

Solution
Question 9
4 / -1

If three molecules have velocities 0.5, 1 and 2 the ratio of rms speed and average speed is (The velocities are in km/s)

A
0.134

B
1.34

C
1.134

D
13.4

Solution
Question 10
4 / -1

At what temperature pressure remaining constant will the rms speed of a gas molecules increase by 10% of the rms speed at NTP?

A
57.3 K

B
57.3^o C

C
557.3 K

D
–57.3^o C

Solution