engineering recuitment ICAR Technician 2021 Mock Test (Re-Exam) General Science Chemistry Structure of Atom
With reference to the X rays, which of the following statements is/are correct?
1. Wilhelm Roentgen discovered X rays.
2. X-rays are produced effectively when electrons strike the dense metal cathode.
Select the correct answer using the given below.
1
1 only
2
2 only
3
Both 1 and 2
4
Neither 1 nor 2