In the relation n=PV/RT, n stands for
In the relation n = (PV/RT), n stands for
Options
(a) Number of molecules (b) Atomic number (c) Mass number (d) Number of moles
Correct Answer:
Number of moles
Explanation:
n = Number […]
Physics
In a vessel, the gas is at a pressure P. If the mass of all the molecules
In a vessel, the gas is at a pressure P. If the mass of all the molecules is halved and their speed is doubled, then the resultant pressure will be
Options
(a) 4 […]
The amount of heat energy required to raise the temperature of 1 g of Helium
The amount of heat energy required to raise the temperature of 1g of Helium at NTP, from T₁K to T₂K is
Options
(a) (3/2) Nₐkв (T₂ – T₁) (b) (3/4) Nₐkв (T₂ – […]
At 10⁰C the value of the density of a fixed mass of an ideal gas divided by its pressure
At 10⁰C the value of the density of a fixed mass of an ideal gas divided by its pressure is x. At 110⁰ C this ratio is:
Options
(a) x (b) (383 / […]
Thin uniform rod of length L, cross-sectional area A and density ρ is rotated
Thin uniform rod of length L, cross-sectional area A and density ρ is rotated about an axis passing through centre and perpendicular to its length with angular velocity ?. What will be its rotational energy? […]
Two point objects of masses 1.5 g and 2.5 g respectively are at a distance of 16 cm
Two point objects of masses 1.5 g and 2.5 g respectively are at a distance of 16 cm apart, the centre of gravity is at a distance x from the object of mass 1.5 gm […]
Three identical spheres, each of mass 3 kg are placed touching each other
Three identical spheres, each of mass 3 kg are placed touching each other with their centres lying on a straight line. The centres of the spheres are marked as P, Q and R respectively. The […]
A thin circular ring of mass M and radius R rotates about an axis through its centre
A thin circular ring of mass M and radius R rotates about an axis through its centre and perpendicular to its plane, with a constant angular velocity ?. Four small spheres each of mass m […]
A thin rod of length L and mass M is bent at its midpoint into two halves
A thin rod of length L and mass M is bent at its midpoint into two halves so that the angle between them is 90°. The moment of inertia of the bent rod about an […]
Consider a uniform square plate of side ɑ and mass m. The moment of inertia
Consider a uniform square plate of side ɑ and mass m. The moment of inertia of this plate about an axis perpendicular to its plane and passing through one of its corners is
Options […]