Home
Class 11
PHYSICS
A cubical box of side 1 m contains heliu...

A cubical box of side 1 m contains helium gas (atomic weight=4) at pressure `100 N.m^-2` During an observation time of 1s, an atom travelling with rms speed parallel to one of the edges of the cube was found to make 500 hits with a perpendicular wall without any collisions with other atoms.
Evaluate the total mass of the helium gas in the box.

A

`9 times 10^-4 kg`

B

`5 times 10^-3 kg`

C

`3 times 10^-4 kg`

D

`7 times 10^-3 kg`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • KINETIC THEORY OF GASES

    CHHAYA PUBLICATION|Exercise ENTRANCE CORNER(Integer answer type)|5 Videos

  • KINETIC THEORY OF GASES

    CHHAYA PUBLICATION|Exercise Examinations Archive with Solutions(WBCHSE)|19 Videos

  • KINETIC THEORY OF GASES

    CHHAYA PUBLICATION|Exercise ENTRANCE CORNER(Multiple correct answer type)|5 Videos

  • HYDROSTATICS

    CHHAYA PUBLICATION|Exercise CBSE SCANNER|1 Videos

  • MEASUREMENT AND DIMENSION OF PHYSICAL QUANTITY

    CHHAYA PUBLICATION|Exercise CBSE SCANNER|18 Videos

Similar Questions

Explore conceptually related problems

A cubical box of side 1 m contains helium gas (atomic weight=4) at pressure 100 N.m^-2 During an observation time of 1s, an atom travelling with rms speed parallel to one of the edges of the cube was found to make 500 hits with a perpendicular wall without any collisions with other atoms. Evaluate the temperature of the gas

A cubical box of side 1 m contains helium gas (atomic weight=4) at pressure 100 N.m^-2 During an observation time of 1s, an atom travelling with rms speed parallel to one of the edges of the cube was found to make 500 hits with a perpendicular wall without any collisions with other atoms. Evaluate the average kinetic energy per atom.

A mixture of 2moles of helium gas (atomic mass=4 amu) and 1 mole of argon gas (atomic mass=40 amu) is kept at 300 K in a container. The ratio of the rms speeds is

An insulated box containing a mono-atomic gas of molar mass M moving with a speed v_0 is suddenly stopped. Find the increment is gas temperature as a result of stopping of the box.

The velocity of a nitrogen molecule on the earth surface is equal to its rms speed at 0^@C IF the molecule moves straights upwards without any collisions with other molecules, determine the height up to which the molecule would rise. The mass of a nitrogen molecule m=4.65 times 10^-26 kg and k=1.38 times 10^-23 J.K^-1

A container of volume 1 L contains 2.5 times 10^23 number of nitrogen molecules. The mass of each molecule is 4.65 times 10^23 and the rms speed of the molecule is 5 times 10^4 cm.s^-1 . Determine the pressure and the total kinetic energy of the gas.