ISC Physics Class XI Part 1>Chapter 20 - Kinetic Theory of Gases>NUMERICALS>Q 28

HARD

11th ICSE

IMPORTANT

Earn 100

If the kinetic energy of $1$ mole of a gas at $27 ° C$ is $3400 J$ , what will be its value at $327 ° C$ ?

Important Questions on Kinetic Theory of Gases

HARD

11th ICSE

IMPORTANT

ISC Physics Class XI Part 1>Chapter 20 - Kinetic Theory of Gases>NUMERICALS>Q 29

The mean kinetic energy of

1 k g - m o l

of nitrogen at

27 ° C

is

600 J

. What will be its mean kinetic energy at

127 ° C

?

EASY

11th ICSE

IMPORTANT

ISC Physics Class XI Part 1>Chapter 20 - Kinetic Theory of Gases>NUMERICALS>Q 30

The average kinetic energy of a hydrogen molecules at

27 ° C

is

9.3 \times 10^{- 21} J

. The mass of hydrogen molecule is

3.1 \times 10^{- 27} kg

. Determine the average kinetic energy at

227 ° C

.

EASY

11th ICSE

IMPORTANT

ISC Physics Class XI Part 1>Chapter 20 - Kinetic Theory of Gases>NUMERICALS>Q 30

The average kinetic energy of a hydrogen molecules at

27 ° C

is

9.3 \times 10^{- 21} J

. The mass of hydrogen molecule is

3.1 \times 10^{- 27} kg

. Determine the root-mean- square speed of hydrogen molecule at

27 ° C

.

HARD

11th ICSE

IMPORTANT

ISC Physics Class XI Part 1>Chapter 20 - Kinetic Theory of Gases>NUMERICALS>Q 31

At what temperature will the average value of the kinetic energy of the molecule of a gas be

\frac{1}{3}

of the average value of kinetic energy at

27 ° C

?

EASY

11th ICSE

IMPORTANT

ISC Physics Class XI Part 1>Chapter 20 - Kinetic Theory of Gases>NUMERICALS>Q 32

If the temperature of air is increased from

27 ° C

to

227 ° C

, in what ratio will the average kinetic energies of its molecules be increased?

EASY

11th ICSE

IMPORTANT

ISC Physics Class XI Part 1>Chapter 20 - Kinetic Theory of Gases>NUMERICALS>Q 33

The temperature of a gas is

- 68 ° C

. To what temperature should it be heated so that the average kinetic energy of the molecules be doubled.

MEDIUM

11th ICSE

IMPORTANT

ISC Physics Class XI Part 1>Chapter 20 - Kinetic Theory of Gases>NUMERICALS>Q 33

The temperature of a gas is

- 68 ° C

. To what temperature should it be heated so that the root-mean-square velocity of the molecules be doubled?

HARD

11th ICSE

IMPORTANT

ISC Physics Class XI Part 1>Chapter 20 - Kinetic Theory of Gases>NUMERICALS>Q 34

Up to what temperature should the hydrogen gas initially at

327 ° C

be cooled so that the root-mean- square velocity of its molecules becomes half of its initial value? The pressure remains constant.