Some laws / processes are given in Column I. Match these with the physical phenomena given in Column II. Column -IColumn -II(i) Transition between two atomic energy levels[A] Characteristic X -rays(ii) Electron emission from a material[B] Photoelectric effect(iii) Mosley's law[C] Hydrogen spectrum(iv) Change of photon energy into kinetic energy of electrons[D] β-decay

Some laws / processes are given in Column I. Match these wi…

Physics Atomic and Nuclear Physics Mix MCQ (Single Correct)

Some laws / processes are given in Column I. Match these with the physical phenomena given in Column II.

Column -I	Column -II
(i) Transition between two atomic energy levels	[A] Characteristic X -rays
(ii) Electron emission from a material	[B] Photoelectric effect
(iii) Mosley's law	[C] Hydrogen spectrum
(iv) Change of photon energy into kinetic energy of electrons	[D] β-decay

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Ans.

(i) [A], [C]

(ii) [B], [D]

(iii) [A]

(iv) [C], [B]

Sol.

(i) Characteristic X –rays, Hydrogen spectrum

(ii) Photoelectric effect, β-decay

(iii) Characteristic X –rays

(iv) Hydrogen spectrum, Photoelectric effect

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