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…
7 years ago
Physics
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…
7 years ago
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…
7 years ago
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.…
7 years ago
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…
7 years ago
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) .…
7 years ago
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.…
7 years ago
At what distance from the centre of earth, the value of acceleration due to gravity
At what distance from the centre of earth, the value of acceleration due to gravity will be half that on…
7 years ago
A rocket with a lift-off mass 3.5 x 10⁴ kg is blasted upwards with an initial acceleration
A rocket with a lift-off mass 3.5 x 10⁴ kg is blasted upwards with an initial acceleration of 10 m/s².…
7 years ago
In an LCR series A.C circuit, the voltage across each of the components, L, C and R is 50V
In an LCR series A.C circuit, the voltage across each of the components, L, C and R is 50V. The…
7 years ago