Government CDS Question:

Consider the following statements— X-rays
1. can pass through thin sheets of aluminium
2. can be deflected by magnetic field
3. move with a velocity less than the velocity of ultraviolet rays in vacuum Which of the statements given above is/are correct?
(A) 1, 2 and 3
(B) 1 only
(C) 2 and 3 only
(D) 1 and 2 only