An insulated container of gas has two champers seperated by an insulating partition. One of the chambers has volume V₁ and contains ideal gas at pressure P₁ and temperature T₁. The other chamber has volume […]
Shear modulus is zero for
Options
(a) Solids (b) Liquids (c) Gases (d) Liquids and Gases
Correct Answer:
Gases
Explanation:
Even viscosity is due to shearing when flow takes place in stream lined […]
At a given temperature the root mean square velocities of oxygen and hydrogen molecules are in the ratio
Options
(a) (16:1) (b) (1:16) (c) (4:1) (d) (1:4)
Correct Answer:
(1:4)
Explanation:
v(rms) = […]
The root mean square speed of oxygen molecule (O₂) at a certain temperature is v. If the temperature is doubled and the oxygen gas dissociates into atomic oxygen, the rms speed would be
Options […]
The equation of state for 5 g of oxygen at a pressure P and temperature T, when occupying a volume V will be
Options
(a) PV = [5 / 32] RT (b) PV […]
When temperature of an ideal gas is increased from 27⁰C to 227⁰C, its r.m.s. speed changes from 400 m/s to Vs. The Vs is
Options
(a) 516 m/s (b) 450 m/s (c) 310 […]
The velocity of molecules of a gas at temperature 120 K is v. At what temperature will the velocity be 2v?
Options
(a) 120 K (b) 240 K (c) 480 K (d) 1120 […]
At absolute temperature, the kinetic energy of the molecules
Options
(a) Becomes zero (b) Becomes maximum (c) Becomes minimum (d) Remains constant
Correct Answer:
Becomes zero
Explanation:
At absolute zero temperature, molecular motion […]
Energy of all molecules of a monoatomic gas having a volume V and pressure P is (3PV/2). The total translational kinetic energy of all molecules of a diatomic gas having the same volume and pressure […]
The molecular weight of a gas is 44. The volume occupied by 2.2 g of this gas at 0⁰C and 2 atm. Pressure will be
Options
(a) 0.56 litre (b) 1.2 litre (c) […]
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