Cathode rays are produced when the pressure is of the order of - Vidyadip

MCQ

Cathode rays are produced when the pressure is of the order of

A
$2 \mathrm{~cm}$ of $\mathrm{Hg}$
B
$0.1 \mathrm{~cm}$ of $\mathrm{Hg}$
✓
$0.01 \mathrm{~mm}$ of $\mathrm{Hg}$
D
$1 \mathrm{\mu m}$ of $\mathrm{Hg}$

✓

Answer

Correct option: C.

$0.01 \mathrm{~mm}$ of $\mathrm{Hg}$

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