Which of the following gases has maximum rms speed at a given temperature?

1. hydrogen 2. nitrogen
3. oxygen 4. carbon dioxide
Subtopic:  Types of Velocities |
 89%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

The mean square speed of the molecules of a gas at absolute temperature \(T\) is proportional to:
1. \(1 \over T\) 
2. \( \sqrt{T} \) 
3. \(T\) 
4. \(T^2\)

Subtopic:  Types of Velocities |
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

Suppose a container is evacuated to leave just one molecule of a gas in it. Let \(v_a\) and \(v_{rms}\) represent the average speed and the RMS speed of the gas.
 
1. \(v_a>v_{rms}\)
2. \(v_a<v_{rms}\)
3. \(v_a=v_{rms}\)
4. \(v_{rms}\) is undefined
Subtopic:  Types of Velocities |
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

advertisementadvertisement

The rms speed of oxygen at room temperature is about \(500\) m/s. The rms speed of hydrogen at the same temperature is about:
1. \(125\) m s–1
2. \(2000\) m s–1
3. \(8000\) m s–1
4. \(31\) m s–1 
Subtopic:  Types of Velocities |
 83%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

The rms speed of oxygen molecules in a gas is \(v.\) If the temperature is doubled and the oxygen molecules dissociate into oxygen atoms, the rms speed will become:
1. \(v\)
2. \(v\sqrt{2}\)
3. \(2v\)
4. \(4v\)
Subtopic:  Types of Velocities |
 67%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

The quantity; \(\dfrac {PV}{kT}\) represents:
 
1. mass of the gas
2. kinetic energy of the gas
3. number of moles of the gas
4. number of molecules in the gas
Subtopic:  Types of Velocities |
 71%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

advertisementadvertisement

Consider a mixture of oxygen and hydrogen kept at room temperature. As compared to a hydrogen molecule, an oxygen molecule hits the wall:
(a) with a greater average speed
(b) with a smaller average speed
(c) with greater average kinetic energy
(d) with smaller average kinetic energy


Choose the correct option from the options given below:

1. (a) and (b) only
2. (b) only
3. (c) and (d) only
4. (a) and (d) only
Subtopic:  Types of Velocities |
 81%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

Which of the following quantities is zero on average for the molecules of an ideal gas in equilibrium?

(a) kinetic energy (b) momentum
(c) density (d) speed

Choose the correct option from the given ones:
1. (a) and (b) only
2. (b) only
3. (c) and (d) only
4. (a) and (d) only

Subtopic:  Types of Velocities |
 66%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

Keeping the number of moles, volume and temperature the same, which of the following are the same for all ideal gases ?

(a) rms speed of a molecule

(b) density

(c) pressure

(d) average magnitude of momentum.

Chooose the correct option 

1.  (a), (b) 

2. (b) , (c) 

3. (c) only 

4. (a) (d) 

Subtopic:  Types of Velocities |
 64%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

advertisementadvertisement