Question

When photons of energy strike the surface of metal A, the ejected photoelectrons have maximum kinetic energy,   and deBroglie wavelength . The maximum kinetic energy of photoelectrons liberated from another metal by photons of energy is =. If the de Broglie wavelength of these photoelectrons is , then

This question has multiple correct options
A

The work function of is

B

The work function of is

C

D

Hard

Solution

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Correct option is
A

The work function of is

B

The work function of is

C

As we know,
    ...(ii)
Equation (i) and (ii) gives
De Broglie wave length
From equation (i) and (iii)
and

Solve any question of Dual Nature of Radiation And Matter with:-

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