List of top Questions asked in Manipal- 1980

Two copper balls, each weighing 10 g , are kept in air 10 cm apart. If one electron from every $10^6$ atoms is transferred from one ball to the other, the coulomb force between them is (atomic weight of copper is 63.5)

The electric field and the potential of an electric dipole vary with distance r as

The de-Broglie wavelength of neutrons in thermal equilibrium at temperature $T$ is

Shear stress is related to

Given below are four logic gate symbols. Those for OR, NOR and NAND are respectively