# The metal used for making X-ray tube window is:

Question:

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

1. $\mathrm{Mg}$

2. $\mathrm{Na}$

3. $\mathrm{Ca}$

4. $\mathrm{Be}$

Correct Option: , 3, 4

Solution:

"Be" Metal is used in $\mathrm{x}$-ray window is due to transparent to $\mathrm{x}$-rays.