What is the effect on the maximum velocity of the emitted electron if the wavelength of the incident light is decreased?

What is the effect on the velocity of the emitted photoelectrons if the wavelength of the incident light is decreased?

What is the effect on the velocity of the emitted photoelectrons if the wavelength of the incident light is decreased ?

What is the effect on the velocity of emitted photoelectrons if the wavelength of the incident light is increased ?

What will be the effect on the velocity of emitted photo-electron if the wavelength of incident light is gradually decreased?

The work function for a metal is 1.8eV. Light of 5000Å is incident on it. Calculate (a) threshold frequency and threshold wavelength, (b) maximum kinetic energy of the emitted electrons, (c) maximum velocity of the emitted electrons, (d) if the intensity of the incident light be doubled, then what will be the maximum kinetic energy of the emitted electrons? given, h=6.63xx10^(-34)Js, m_e=9xx10^(-31)kg, c=3xx10^8ms^-1.

The work function for calcium is 2.14 eV. When a light of wavelength 5500Å is incident on it, photoelectrons are emitted , Calculate (i) threshold frequency and threshold wavelength. (ii) maximum velocity of the emitted electrons. (iii) change in maximum kinetic energy of the emitted photoelectrons if the intensity of the incident light is doubled. Take : h = 6.6 xx10^(-34) Js m_e-9xx10^(-31) kg c= 3xx10^8m//s

A photon of energy 2.5 eV and wavelength ′ λ ′ falls on a metal surface and the ejected electrons have maximum velocity ′ v ′ . If the ′ λ ′ of the incident light is decreased by 20%, the maximum velocity of the emitted electrons is doubled. The work function of the metal is :

What is the effect on the maximum kinetic energy and the numver of photoelectrons when (i) The intensity of incident light decreases. (ii) The emitting surcac is charged. (iii) Wavelength of incident light increase.