Physics · 2021
JEE Main · 24 February 2021, Shift 2 · Q13
Match List - I with List - II. Choose the correct answer from the options given below:
Match List - I with List - II.
Choose the correct answer from the options given below :
| List - I | List - II |
| (a) Source of microwave frequency | (i) Radioactive decay of nucleus |
| (b) Source of infrared frequency | (ii) Magnetron |
| (c) Source of Gamma Rays | (iii) Inner shell electrons |
| (d) Source of X-rays | (iv) Vibration of atoms and molecules |
| (v) LASER | |
| (vi) RC circuit |
Official answer
(3)
(a)-(ii), (b)-(iv), (c)-(i), (d)-(iii)
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JEE Main 2021 Physics question, with the answer from NTA’s final answer key. Where our answers come from.