Consider the following statements with reference to X - rays 1. They produce heat when absorbed by matter2. They are generated when fast moving electrons 3. They can penetrate through a thin sheet of aluminium.Which of the statements given above are correct ?

Consider the following statements with reference to X - rays 1. They p

1.	Consider the following statements with reference to X - rays 1. They produce heat when absorbed by matter 2. They are generated when fast moving electrons 3. They can penetrate through a thin sheet of aluminium. Which of the statements given above are correct ?
A.	1, 2 and 3
B.	1 and 2
C.	2 and 3
D.	1 and 3
Answer» B. 1 and 2