Q. The metal used for making $X$ -ray tube window is :

2412 210 JEE MainJEE Main 2019The s-Block Elements Report Error

A

$M g$

18%

B

$N a$

13%

C

$C a$

12%

D

$B e$

57%

Solution:

"Be" Metal is used in x-ray window is due to transparent to x-rays.