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If light of w...

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If light of wavelength λ_1 is allowed to fall on a metal, then kinetic energy of photoelectrons emitted is E_1. If wavelength of light changes to λ_2 then kinetic energy of electron changes to E_2. Then work function of metal is :-

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Q. If light of wavelength

λ_{1}

is allowed to fall on a metal, then kinetic energy of photoelectrons emitted is

E_{1}

. If wavelength of light changes to

λ_{2}

then kinetic energy of electrons also change to

E_{2}

. Then work function of the metal is:

Q. If light of wavelength

λ_{1}

is allowed to fall on a metal, then kinetic energy of photoelectrons emitted is

K_{1}

. If wavelength of light changes to

λ_{2}

, then kinetic energy of electron changes to

K_{2}

. Then, work function of the metal is

Q. If the wavelength

λ_{1}

is allowed to fall on metal, then kinetic energy of photoelectrons emitted is

E_{1}

. If wavelength of light changes to

λ_{2}

then kinetic energy of electrons also changes to

E_{2}

. Then work function of the metal is

Q. If light of wavelength

λ_{1}

is allowed to fall on a metal, then kinetic energy of photoelectrons emitted is

K_{1}

. If wavelength of light changes to

λ_{2}

, then kinetic energy of electron changes to

K_{2}

. Then, work function of the metal is

K_{1}

K_{2}

are maximum kinetic energies of photoelectrons emitted when lights of wavelength

λ_{1}

λ_{2}

respectively incident on a metallic surface. If

λ_{1}, = 3 λ_{2}

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