If the work function of a photometal is 6.825 eV. Its threshold w… - Vidyadip

MCQ

If the work function of a photometal is $6.825\ eV.$ Its threshold wavelength will be $\left(c=3 \times 10^8 \mathrm{~m} / \mathrm{s}\right)$

A
$1200 \mathring A$
✓
$1800 \mathring A$
C
$2400 \mathring A$
D
$3600 \mathring A$

✓

Answer

Correct option: B.

$1800 \mathring A$

$1800 \mathring A$

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