Q36 / 180 · AIIMS 2015 · Chemistry

$\alpha$-Particles can be detected by using

A
thin aluminium sheet
B
barium sulphate
Correct answer
C
zinc sulphide screen
D
gold foil.

Solution

Rutherford first of all used zinc sulphide ( $\mathrm{ZnS})$ as phosphor in detection of $\alpha$-particles.

Hence, the correct answer is option: 'C'.

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