1
WB JEE 2022
MCQ (Single Correct Answer)
+1
-0.25

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
2
WB JEE 2022
MCQ (Single Correct Answer)
+1
-0.25

Avogadro's law is valid for

A
all gases
B
ideal gas
C
Van der Waals gas
D
real gas
3
WB JEE 2022
MCQ (Single Correct Answer)
+2
-0.5

Let (Crms)H2 is the r.m.s. speed of H2 at 150 K. At what temperature, the most probable speed of helium [Cmp)He] will be half of (Crms)H2 ?

A
75 K
B
112.5 K
C
225 K
D
900 K
4
WB JEE 2021
MCQ (Single Correct Answer)
+1
-0.25
Molecular velocities of two gases at the same temperature (T) are u1 and u2. Their masses are m1 and m2 respectively. Which of the following expressions is correct at temperature T?
A
$${{{m_1}} \over {u_1^2}} = {{{m_2}} \over {u_2^2}}$$
B
$${m_1}{u_1} = {m_2}{u_2}$$
C
$${{{m_1}} \over {{u_1}}} = {{{m_2}} \over {{u_2}}}$$
D
$${m_1}u_1^2 = {m_2}u_2^2$$
WB JEE Subjects