Semiconductor Electronic: Material, Devices And Simple Circuits — Physics STD 12 Science — Question

Binding energy of a nucleus is of the order of.

A small magnet is placed perpendicular to a uniform magnet field. The forces acting on the magnet will result in:

Electrostatic potential is ______ throughout the volume of the conductor and has _____ value on its surface.

The wave theory in its original form was first postulated by:

Which of the following statements is/ are correct for equipotential surface ?

1. The potential at all the points on an equipotential surface is same.
2. Equipotential surfaces never intersect each other.
3. Work done in moving a charge from one point to other on an equipotential surface is zero.

Three resistors each of 4Ω are connected together to form a network. The equivalent resistance of the network cannot be(a) 1.33 Ω(b) 3.0  Ω(c) 6.0 Ω(d) 12.0 Ω

The resolving power of a telescope depends on:

A piece of wood is floating in water kept in a bottle. The bottle is connected to an air pump. Neglect the compressibility of water. When more air is pushed into the bottle from the pump, the piece of wood will float with.

1. Larger part in the water.
2. Lesser part in the water.
3. Same part in the water.
4. It will sink.