Absorb Before You Solve MCQs Kinetic Theory of Gases Physics NEET Practice Questions, MCQs, Past Year Questions (PYQs), NCERT Questions, Question Bank, Class 11 and Class 12 Questions, and PDF solved with answers

The volume occupied by the molecules contained in

4.5 kg

$4.5~\text{kg}$ water at STP, if the molecular forces vanish away, is:
1.

5.6 m^{3}

$5.6~\text{m}^3$
2.

5.6 \times 10^{6} m^{3}

$5.6\times10^{6}~\text{m}^3$
3.

5.6 \times 10^{3} m^{3}

$5.6\times10^{3}~\text{m}^3$
4.

5.6 \times 10^{- 3} m^{3}

$5.6\times10^{-3}~\text{m}^3$

Subtopic: Ideal Gas Equation |

From NCERT

NEET - 2022

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Q2:

Given below are two statements:

Assertion (A):	As a gas bubble rises from the bottom of a lake, its volume decreases.
Reason (R):	As the gas bubble rises from the bottom of a lake, the pressure of the gas within decreases.

1.	(A) is True but (R) is False.
2.	(A) is False but (R) is True.
3.	Both (A) and (R) are True and (R) is the correct explanation of (A).
4.	Both (A) and (R) are True but (R) is not the correct explanation of (A).

Subtopic: Ideal Gas Equation |

69%

From NCERT

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Q3:

Which of the following diagrams (figure) depicts ideal gas behaviour?

1.	(a), (c)	2.	(a), (d)
3.	(c), (d)	4.	(a), (b)

Subtopic: Ideal Gas Equation |

69%

From NCERT

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Q4:

A cylinder contains hydrogen gas at a pressure of $249~\text{kPa}$ and temperature $27^\circ\text{C}.$ Its density is:
( $R=8.3~\text{J mol}^{-1} \text {K}^{-1}$ )
1. $0.2~\text{kg/m}^{3}$
2. $0.1~\text{kg/m}^{3}$
3. $0.02~\text{kg/m}^{3}$
4. $0.5~\text{kg/m}^{3}$

Subtopic: Ideal Gas Equation |

62%

From NCERT

NEET - 2020

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Q5:

The process on an ideal gas as shown in the figure given below is:

1. isothermal
2. isobaric
3. isochoric
4. none of these

Subtopic: Ideal Gas Equation |

86%

From NCERT

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Q6:

An ideal gas equation can be written as

P = \frac{ρ R T}{M_{0}}

$P = \dfrac{ρRT}{M_{0}}$ where

ρ

$\rho$ and

M_{0}

$M_{0}$ are respectively:

1.	mass density, the mass of the gas.
2.	number density, molar mass.
3.	mass density, molar mass.
4.	number density, the mass of the gas.

Subtopic: Ideal Gas Equation |

79%

From NCERT

NEET - 2020

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Q7:

The pressure exerted by a gas enclosed within a room is due to:

1.	collisions of the gas molecules with the walls of the room
2.	the repulsive force between molecules of the gas
3.	weight of the molecules of the gas
4.	angular momentum of the molecules

Subtopic: Kinetic Energy of an Ideal Gas |

89%

From NCERT

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Q8:

A gas in a vessel is initially at pressure

P .

$P.$ If the mass of all the gas molecules is halved and their speed is doubled, then the resultant pressure will be:

1.	$2 P$	2.	$P$
3.	$\dfrac{P}{2}$	4.	$4 P$

Subtopic: Kinetic Energy of an Ideal Gas |

66%

From NCERT

NEET - 2013

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Q9:

Suppose that the average kinetic energy (translational & rotational) of random molecular motion of helium (

H e

$He$ ) at temperature

T_{H e}

$T_{He}$ is equal to that of hydrogen (

H_{2}

$H_2$ ) at temperature

T_{H_{2}}

$T_{H_2}$ . Then,

1.	$T_{H_{2}}=T_{H e}$	2.	$\dfrac{T_{H_2}}{2}=\dfrac{T_{He}}{4}$
3.	$5 T_{H_2}=3 T_{He}$	4.	$\dfrac{T_{H_{2}}}{5}=\dfrac{T_{{He }}}{3}$

Subtopic: Kinetic Energy of an Ideal Gas |

54%

From NCERT

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Q10:

Which of the following parameters is the same for molecules of all gases at a given temperature?
1. mass
2. speed
3. momentum
4. kinetic energy

Subtopic: Kinetic Energy of an Ideal Gas |

70%

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