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NEET UG PHYSICS MCQ: DUAL NATURE OF RADIATION AND MATTER

1 Easy

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Kinetic mass of photon is

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Correct option: B

h v / c^2

Option B (

h v / c^2

) is correct because it represents the kinetic mass of a photon derived from the energy-mass equivalence principle.

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If the Broglie wavelengths associated with a proton and an

\alpha

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\alpha

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3 \to 2

transition of hydrogen atom falls on a metal surface to produce photoelectrons. These electrons are made to enter a magnetic field of

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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X

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