1) R / 3 2) 3R / 2 3) R / 2 4) 2R Answer: (1) P = [(μl /... View Article
A charged particle going around in a circle can be considered to be a current loop. A particle of mass... View Article
When a car is at rest, its driver sees raindrops falling on it vertically. When driving the car with speed... View Article
Particle A of mass m1 moving with velocity (√3i + j) ms-1 collides with another particle B of mass m2... View Article
For a plane electromagnetic wave, the magnetic field at a point x and time t is B (x, t) =... View Article
A part of a complete circuit is shown in the figure. At some instant, the value of current I is... View Article
Initially a gas of diatomic molecules are contained in a cylinder of volume V1 at a pressure P1 and temperature... View Article
The density of a solid metal sphere is determined by measuring its mass and its diameter. The maximum error in... View Article
Suppose that intensity of a laser is (315 / π) W/m2. The rms electric field, in units of V/m associated... View Article
Two bodies of the same mass are moving with the same speed, but in different directions in a plane. They... View Article
In the given circuit, value of 𝑌 is a. 1 b. 0 c. Will not execute d. Toggles between 0... View Article
An electron (mass 𝑚) with initial velocity \(\begin{array}{l}\vec{v}=v_{0}\hat{i}+v_{0}\hat{j}\end{array} \) is in an electric field \(\begin{array}{l}\vec{E}=-E_{0}\hat{k}\end{array} \). If 𝜆0 is initial... View Article
A simple pendulum is being used to determine the value of gravitational acceleration at a certain place. The length of... View Article
An object is gradually moving away from the focal point of a concave mirror along the axis of the mirror.... View Article
A ball is dropped from the top of a 100 high tower on a planet. In the last 1/2 before... View Article
As shown in figure, a battery of emf is connected to an inductor and resistance in series. The switch is... View Article
a. 0.568 b. 0.853 c. 0.672 d. 0.760
A capacitor is made of two square plates each of side ‘ ’ making a very small angle between them,... View Article
A uniform sphere of mass 500 rolls without slipping on a plane horizontal surface with its centre moving at a... View Article
a. 67/45 b. 40/27 c. 19/13 d. 23/15
