Some laws/processes are given in Column I. Match these with the p… - Vidyadip

MCQ

Some laws/processes are given in Column $I$. Match these with the physical phenomena given in Column $II$ and indicate your answer by darkening appropriate bubbles in the $4 \times 4$ matrix given in the $ORS$.

Column $I$	Column $II$
$(A)$ Transition between two atomic energy levels	$(p)$ Characteristic $X$-rays
$(B)$ Electron emission from a material	$(q)$ Photoelectric effect
$(C)$ Mosley's law	$(r)$ Hydrogen spectrum
$(D)$ Change of photon energy into kinetic energy of electrons	$(s)$ $\beta$-decay

A
$A \rightarrow(q) \&(s), B \rightarrow(q) \&(~p), C \rightarrow(p), D \rightarrow(s)$
✓
$A \rightarrow(p) \&(r), B \rightarrow(q) \&(~s), C \rightarrow(p), D \rightarrow(q)$
C
$A \rightarrow(s) \&(r), B \rightarrow(p) \&(~s), C \rightarrow(p), D \rightarrow(s)$
D
$A \rightarrow(p) \&(q), B \rightarrow(q) \&(~r), C \rightarrow(p), D \rightarrow(q)$

✓

Answer

Correct option: B.

$A \rightarrow(p) \&(r), B \rightarrow(q) \&(~s), C \rightarrow(p), D \rightarrow(q)$

b

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