A capacitor of 4 µF is charged to 100 V. It is then connected across an uncharged 2 µF capacitor. Final common voltage is:
A 10 μF capacitor is charged to 50 V and then connected across an uncharged 20 μF capacitor. What is the final potential difference across both capac...
Find the force exerted on a body of mass 2 kg moving with an acceleration of 3 m/s².
The group velocity of matter waves associated with a moving particle is:
What type of radiation is produced by a hot object emitting energy? Â
Which of the following is a characteristic of a conductor? Â
 The radii of curvature of the faces of a double convex lens are 20 cm and 30 cm. If focal length of the lens is 36 cm find the refractive index of t...
What is the escape velocity from the surface of the Earth?
A block of mass 10 kg is on a horizontal table with friction coefficient μ = 0.2. A mass of 4 kg is suspended from a frictionless pulley attached to th...
In a nuclear reaction, the product nucleus has higher binding energy per nucleon than the reactants. Which of the following is correct?
