The work functions of three metals A, B and C are `W _A ,W_B and W_C` respectively . They are in decreasing order. The correct graph between kinetic energy and frequency V of incident radiation is

In the system shown, the blocks A,B and C are of weight 4W, W and W respectively. The system set free. The tension in the string connecting the blocks B and C is

In the system shown, the blocks A,B and C are of weight 4W, W and W respectively. The system set free. The tension in the string connecting the blocks B and C is

The work function of metal is W and lamda is the wavelength of the incident radiation. There is no emission of photoelecrons when

the work function of metal is W and lamda is the wavelength of the incident radiation. There is no emission of photoelecrons when

When photons of energy hv fall on a metal plate, having a work function W, the maximum kinetic energy of the ejected photo electrons is K. What will be the maximum K.E. of the ejected photo electrons, from the same plate if the frequency of incident radiation is doubled ?

Ultraviolet radiations of different frequencies v_(1) are incident on two photosensitive materials having work functions W_(1) and W_(2) (W_(1) gt W_(2)) respectively. The kinetic energy of the emitted electrons is same in both the cases. Which one of the two radiations will be of higher frequency?

Work function of aluminium plate is phi when radiation of hf energy is incident on metal surface photoelectron of kinetic energy K is emitted .Now if frequency of radiation is made double,kinetic energy of photoelectron will become…..

Write the relation between the work function (w) and threshold frequency (V_0) in photoelectric effect.

The work function of a metal surface for electron emission is W. What will be the threshold frequency of incident radiation for photoelectric emission?