A jar is filled with two non-mixing liquids 1 and 2 having densities
A jar is filled with two non-mixing liquids 1 and 2 having densities ρ₁ and ρ₂ respectively. A solid ball, made of a material of density ρ₃, is dropped in the jar. It comes to […]
Behavior of Perfect Gas and Kinetic Theory
In the given (V – T) diagram, what is the relation between pressure P₁ and P₂?
In the given (V – T) diagram, what is the relation between pressure P₁ and P₂?
Options
(a) P₂ > P₁ (b) P₂ < P₁ (c) Cannot be predicted (d) P₂ = P₁
At what temperature will the rms speed of air molecules be double that of NTP?
At what temperature will the rms speed of air molecules be double that of NTP?
Options
(a) 519⁰C (b) 619⁰C (c) 719⁰C (d) 819⁰C
Correct Answer:
819⁰C
Explanation:
v(rms) = √(3RT / M) […]
Six molecules have speeds 2 units, 5 units, 3 units, 6 units, 3 units and 5 units
Six molecules have speeds 2 units, 5 units, 3 units, 6 units, 3 units and 5 units respectively. The rms speed is
Options
(a) 4 units (b) 1.7 units (c) 4.2 units (d) […]
An insulated container of gas has two champers seperated by an insulating partition.
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
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
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.
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,
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,
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 […]