At what temperature will the RMS speed of oxygen molecules become just sufficient for escaping from the earth's atmosphere?
(Given : Mass of oxygen molecule (m) = 2.76 x 10-26 kg, Boltzmann's constant kB = 1.38 × 10-23 J K-1):

1.

2.

3.

4.

Subtopic:  Types of Velocities |
To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh
Launched MCQ Practice Books

Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Video/Text Solutions via Telegram Bot

A gas mixture consists of 2 moles of O2 and 4 moles of Ar at temperature T. Neglecting all the  vibrational modes, the total internal energy of the system is:

1. 15 RT

2. 9 RT

3. 11 RT

4. 4 RT

Subtopic:  Law of Equipartition of Energy |
To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh
Launched MCQ Practice Books

Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Video/Text Solutions via Telegram Bot

A gas mixture consist of 2 moles of ${O}_{2}$ and 4 moles of Ar at temperature T. Neglecting all vibrational modes, the total internal energy of the system is:

(1)4RT

(2) 15RT

(3)9RT

(4)11RT

Subtopic:  Kinetic Energy of an Ideal Gas | Law of Equipartition of Energy |
To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh
Launched MCQ Practice Books

Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Video/Text Solutions via Telegram Bot

One mole of an ideal monatomic gas undergoes a process described by the equation $P{V}^{3}=$ constant. The heat capacity of the gas during this process is:

(1) $\frac{3}{2}R$

(2) $\frac{5}{2}R$

(3) $2R$

(4) $R$

Subtopic:  Specific Heat |
To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh
Launched MCQ Practice Books

Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Video/Text Solutions via Telegram Bot

The molecules of a given mass of gas have r.m.s velocity of 200 ms-1 at 27°C and 1.0 x 105 Nm-2 pressure. When the temperature and pressure of the gas are increased to ,respectively, 127°C and 0.05 X 10Nm-2 , r.m.s velocity of its molecules in ms-1 will become :
1. 400/√3
2. 100√2/3
3. 100/3
4.100√2

Subtopic:  Types of Velocities |
To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh
Launched MCQ Practice Books

Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Video/Text Solutions via Telegram Bot

A given sample of an ideal gas occupies a volume V at a pressure P and absolute temperature T. The mass of each molecule of the gas is m. Which of the following gives the density of the gas?

1.  P/(kT)

2.  Pm/(kT)

3.  P/(kTV)

4.  mkT

Subtopic:  Ideal Gas Equation |
To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh
Launched MCQ Practice Books

Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Video/Text Solutions via Telegram Bot

The molecules of a given mass of gas have RMS velocity of 200 ms-1 at 27 °C and 1.0x105 Nm-2 pressure. When the temperature and the pressure of the gas are respectively, 127 °C and 0.05x105 Nm-2, the RMS velocity of its molecules in ms-1 is:
1. $\frac{400}{\sqrt{3}}$

2. $\frac{100\sqrt{2}}{3}$

3. $\frac{100}{3}$

4. $100\sqrt{2}$

Subtopic:  Types of Velocities |
To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh