Consider the following statements with reference to Wilhelm Conrad Rontgen.
1. He was the recipient of the first Nobel Prize for Physics in 1901.
2. His discovery of X. rays revolutionised the fields of physics and medicine.
3. He discovered the diffraction of sound waves.
Which of the statements given above is/are correct?
1. Only 1
2. Only 1 and 2
3. Only 1 and 3
4. Only 2