The sulphide that is commonly used in coating electric fluorescent tubes is?

A. iron(ii)Sulphide
B. tin(ii)sulphide
C. Zinc Sulphide
D. lead(iv) Sulphide

Correct Answer:

Option C – Zinc Sulphide

Explanation

ZnS (Zinc Sulfide) screen was used because it emits a flash of light when struck by an alpha particle.

This is a phenomenon called Radio luminescence in which a flash of light is observed on the screen when acted upon by a radioactive substance.