Name the metal used to shield x-rays operators from the

Question

What are the answers to these questions.

1. Name the metal used to shield X-rays operators from the radiation. Give a reason why it is used.
2. state with a reason theeffect on the x-rays produced in an x-ray tube, when the P.D across the tube is increased.
3. State the characteristic of sound which is determined by overtone.
4. What is Archimedes principle and state its application in modern physics.