1
WB JEE 2024
MCQ (Single Correct Answer)
+1
-0.25
Change Language

The compressibility factor for a van der Waal gas at high pressure is

A
$$1+\frac{\mathrm{RT}}{\mathrm{Pb}}$$
B
$$1+\frac{\mathrm{Pb}}{\mathrm{RT}}$$
C
$$1-\frac{\mathrm{Pb}}{\mathrm{RT}}$$
D
1
2
WB JEE 2023
MCQ (Single Correct Answer)
+1
-0.25
Change Language

The root mean square (rms) speed of X$$_2$$ gas is x m/s at a given temperature. When the temperature is doubled, the X$$_2$$ molecules dissociated completely into atoms. The root mean square speed of the sample of gas then becomes (in m/s)

A
x/2
B
x
C
2x
D
4x
3
WB JEE 2023
MCQ (Single Correct Answer)
+2
-0.5
Change Language

Case - 1 : An ideal gas of molecular weight M at temperature T.

Case - 2 : Another ideal gas of molecular weight 2M at temperature T/2.

Identify the correct statement in context of above two cases.

A
Average kinetic energy and average speed will be the same in the two cases.
B
Both the averages are halved.
C
Both the averages are doubled.
D
Only average speed is halved in the second case.
4
WB JEE 2022
MCQ (Single Correct Answer)
+1
-0.25
Change Language

The average speed of H2 at T1K is equal to that of O2 at T2K. The ratio T1 : T2 is

A
1 : 16
B
16 : 1
C
1 : 4
D
1 : 1
WB JEE Subjects
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
CBSE
Class 12