When a radiation of frequency `7.5xx10^(14)Hz` strikes a metal surface, the maximum kinetic enegy attained by the emitted electrons is `1.6xx10^(-19)J`. Calculate the threshold frequency of the metal.

To emit a free electron from a metal surface a minimum amount of energy must be supplied.When light of frequency 7.21 * 10^14 Hz is incident on a metal surface, the maximum speed of the ejected electrons is 6 x 10^5 m/s . Calculate the threshold frequency for the metal.

The threshold frequency for a certain metal for photoelectric effect is 1.7x10^(15)Hz . When light of frequency 2.2xx10^(15)Hz is incident on the metal surface, the kinetic energy of the emitted photoelectrons is 3.3xx10^(-19)J . What is the value of the Planck's constant ?

The threshold frequency for a certain metal for photoelectric effect is 1.7 xx 10^15 Hz .When light of frequency 2.2 xx 10^15 Hz is incident on the metal surface, the kinetic energy of the emitted. photoelectrons is 3.3 xx 10^-19 J .Calculate Planck's constant.

In a photoelectric effect experiment irradiation of a metal with light of frequency 5.2 xx 10^(14) s^(-1) yields electrons with maximum kinetic energy 1.3 xx 10^(-19) J . Calculate the threshold frequency (v_(0)) for the metal.

In a photoelectric effect experiment irradiation of a metal with light of frequency 5.2 xx 10^(14) s^(-1) yields elctrons with maximum kinetic ennergy 1.3 xx 10^(-19) J .Calculate the threshold frequency (v_(0)) for the metal

When a light of frequency 9 xx 10^(14) Hz is incident on a metal surface, photoelectrons are emitted with a maximum speed of 8 xx 10^(5) ms^(-1) . Determine the threshold frequency of the surface.