A. Gold foils
B. Barium sulphate
C. Zinc sulphide screen
D. Thin Aluminium sheet
Submitted by: Muhammad Ali Kunbhar
Correct Answer: Zinc sulphide screen ✔
Last Updated: January 08, 2020
A. Gold foils
B. Barium sulphate
C. Zinc sulphide screen
D. Thin Aluminium sheet
Submitted by: Muhammad Ali Kunbhar
Correct Answer: Zinc sulphide screen ✔
Last Updated: January 08, 2020