Question
$La$ (lanthanum) having atomic number $57$ is a member of
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[Given: The threshold frequency of platinum is $1.3$ $\times 10^{15} \,s ^{-1}$ and $h =6.6 \times 10^{-34} \,J \,s$.]
| Column - $I$ | Column - $II$ |
| $(a)$ Copper | $(i)$ Non-metal |
| $(b)$ Fluorine | $(ii)$ Transition Metal |
| $(c)$ Silicon | $(iii)$ Lanthanoid |
| $(d)$ Cerium | $(iv)$ Metalloid |
Identify the correct match: