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 […]
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 […]
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?
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 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. 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 […]
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