Question
Match List I with List II :
| List I | List II | ||
|---|---|---|---|
| A. | Microwaves | I. | Radio active decay of the nucleus |
| B. | Gamma rays | II. | Rapid acceleration and deceleration of electron in aerials |
| C. | Radio waves | III. | Inner shell electrons |
| D. | X-rays | IV. | Klystron valve |
Choose the correct answer from the options given below :