When $$p$$-$$n$$ junction diode is forward biased then

The manifestation of band structure in solids is due to

According to Einstein's photoelectric equation, the plot of the kinetic energy of the emitted photo electrons from a metal $$Vs$$ the frequency, of the incident radiation gives as straight the whose slope

The maximum number of possible interference maxima for slit-separation equal to twice the wavelength in Young's double-slit experiment, is :