Particle A of mass m1 moving with velocity (√3i + j) ms-1 collides with another particle B of mass m2 which is at rest initially. Let V1... View Article
A part of a complete circuit is shown in the figure. At some instant, the value of current I is 1A and it is decreasing at a rate of 102 A... View Article
Initially a gas of diatomic molecules are contained in a cylinder of volume V1 at a pressure P1 and temperature 250 K. Assuming that 25% of the... View Article
The density of a solid metal sphere is determined by measuring its mass and its diameter. The maximum error in the density of the sphere is [x /... View Article
Suppose that intensity of a laser is (315 / π) W/m2. The rms electric field, in units of V/m associated with this source is close to the... View Article
Two bodies of the same mass are moving with the same speed, but in different directions in a plane. They have a completely inelastic collision... View Article
An electron (mass 𝑚) with initial velocity Solution:Momentum of an electron, 𝑝 = 𝑚𝑣 = ℎ/𝜆Initially 𝑚(√2𝑣0) = ℎ/𝜆0 Velocity as a function of... View Article
A simple pendulum is being used to determine the value of gravitational acceleration at a certain place. The length of the pendulum is 25.0... View Article
An object is gradually moving away from the focal point of a concave mirror along the axis of the mirror. The graphical representation of the... View Article
A ball is dropped from the top of a 100 high tower on a planet. In the last 1/2 before hitting the ground, it covers a distance of 19 .... View Article
As shown in figure, a battery of emf is connected to an inductor and resistance in series. The switch is closed at = 0. The total charge... View Article
A capacitor is made of two square plates each of side ‘ ’ making a very small angle between them, as shown in figure. The capacitance will be... View Article
A uniform sphere of mass 500 rolls without slipping on a plane horizontal surface with its centre moving at a speed of 5 cm/s. Its kinetic... View Article
A galvanometer having a coil resistance 100 Ω gives a full scale deflection when a current of 1 mA is passed through it. What is the value of the... View Article
A particle of mass and charge is released from rest in uniform electric field. If there is no other force on the particle, the dependence of... View Article
As shown in figure, when a spherical cavity (centered at O) of radius 1 m is cut out of a uniform sphere of radius (centered at C ), the center... View Article