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The diagram shows the four energy levels of an electron in...

Assertion (A): The resistance of an intrinsic semiconductor decreases with an...

During the formation of a p-n junction :

Assertion (A): The equivalent resistance between points A and B in...

The ratio of the nuclear densities of two nuclei having mass...

The energy of a photon of wavelength à is

Assertion (A): The deflecting torque acting on a current-carrying loop is...

In Young’s double-slit experiment, the screen is moved away from the...

Which one of the following electromagnetic radiation has the least wavelength?

A square-shaped coil of side 10 cm. having 100 turns is...