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NEET UG PHYSICS MCQ: DUAL NATURE OF RADIATION AND MATTER

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Light of wavelength 500 nm is incident on a metal surface with work function 2.28 eV. Maximum kinetic energy of emitted electron is

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Correct option: C

0.2 eV

Option C (0.2 eV) is correct because the maximum kinetic energy is calculated using the formula

KE_{max} = E - \phi

, where

E = hc/\lambda

and

\phi

is the work function.

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If the Broglie wavelengths associated with a proton and an

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3 \to 2

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3 \times {10^{ - 4}}\,T.

If the radius of the largest circular path followed by these electrons is 10.0 mm, the work function of the metal is close to The shortest wavelength of

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