Questions

Three cells, each of e.m.f 1.5 V and internal resistance 1 ohm are connected in parallel

Three cells, each of e.m.f 1.5 V and internal resistance 1 ohm are connected in parallel. What would be the…

Two forces of magnitude 8N and 15N respectively act at a point so as to make the resultant force

Two forces of magnitude 8N and 15N respectively act at a point so as to make the resultant force 17N.…

When volume of a system is increased two times and temperature is decreased

When volume of a system is increased two times and temperature is decreased to half of its initial temperature, then…

A particle is dropped from a building. It takes 4 sec for the particle to reach the ground

A particle is dropped from a building. It takes 4 sec for the particle to reach the ground. Then height…

A wheel has moment of inertia 5 x 10⁻³ kgm² and is making 20 revolutions per sec

A wheel has moment of inertia 5 x 10⁻³ kgm² and is making 20 revolutions per sec. The torque need…

Two wires of the same dimensions but resistivities p1 and p2 are connected in series

Two wires of the same dimensions but resistivities p1 and p2 are connected in series. The equivalent resistivity of the…

The wavelength of the short radio waves, microwaves, ultraviolet waves are λ₁,λ₂ and λ₃

The wavelength of the short radio waves, microwaves, ultraviolet waves are λ₁,λ₂ and λ₃ respectively. Arrange them in decreasing order.…

A 1 µA beam of protons with a cross-sectional area of 0.5 sq.mm is moving with a velocity

A 1 µA beam of protons with a cross-sectional area of 0.5 sq.mm is moving with a velocity of 3…

The wave function (in SI unit) for a light wave is given as Ψ(x,t)= 10³ sin π

The wave function (in SI unit) for a light wave is given as Ψ(x,t)= 10³ sin π(3x10⁶ x-9x10¹⁴ t) .…

A body rolls down a stair case of 5 steps. Each step has height 0.1 m and width 0.1m

A body rolls down a stair case of 5 steps. Each step has height 0.1 m and width 0.1 m.…