Kinetic Theory of Gases Test

Result

Kinetic Theory of Gases Test - 63

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Weekly Quiz Competition

Question 1
4 / -1

A gas in container A is in thermal equilibrium with another gas in container B. Both contain equal masses of the two gases in the respective containers. Which of the following can be true

A

B

C

D

Solution
Question 2
4 / -1

Two identical glass bulbs are interconnected by a thin glass tube. A gas is filled in these bulbs at N.T.P. If one bulb is placed in ice and another bulb is placed in hot bath, then the pressure of the gas becomes 1.5 times. The temperature of hot bath will be

A
100°C

B
182°C

C
256°C

D
546°C

Solution
Question 3
4 / -1

Two containers of equal volume contain the same gas at pressures P₁ and P₂ and absolute temperatures T₁ and T₂respectively. On joining the vessels, the gas reaches a common pressure P and common temperature T. The ratio P/T is equal to

A

B

C

D

Solution
Question 4
4 / -1

At the top of a mountain a thermometer reads 7°C and a barometer reads 70 cm of Hg. At the bottom of the mountain these read 27°C and 76 cm of Hg respectively. Comparison of density of air at the top with that of bottom is

A
75/76

B
70/76

C
76/75

D
76/70

Solution
Question 5
4 / -1

The root mean square speed of the molecules of a diatomic gas is v. When the temperature is doubled, the molecules dissociate into two atoms. The new root mean square speed of the atom is

A
√2 v

B
v

C
2v

D
4v

Solution
Question 6
4 / -1

A vessel is partitioned in two equal halves by a fixed diathermic separator. Two different ideal gases are filled in left (L) and right (R) halves. The r.m.s speed of the molecules in L part is equal to the mean speed of molecules in the R part. Then the ratio of the mass of a molecule in L part to that of a molecule in R part is

A

B

C

D

Solution
Question 7
4 / -1

A gas is filled in the cylinder shown in the figure. The two pistons are joined by a string. If the gas is heated, the pistons will

A
Move towards left

B
Move towards right

C
Remain stationary

D
None of the above
Question 8
4 / -1

A closed vessel contains 8 g of oxygen and 7 g of nitrogen. The total pressure is 10 atm at a given temperature. If now oxygen is absorbed by introducing a suitable absorbent pressure remaining gas in atm will be

A
2

B
10

C
4

D
5

Solution
Question 9
4 / -1

CO₂(O–C–O)is a triatomic gas. Mean kinetic energy of one gram gas will be (If N-Avogadro\'s number, k-Boltzmann\'s constant and molecular weight of CO₂ = 44)

A
(3/88) NkT

B
(5/88)Nkt

C
(6/88)NkT

D
(7/88)NkT

Solution
Question 10
4 / -1

Find the ratio of specific heat at constant pressure to the specific heat constant volume for NH₃

A
1.33

B
1.44

C
1.28

D
1.67

Solution