JEE Main 202124 FebruaryEvening Shift
- Exam
- JEE Main
- Year
- 2021
- Date
- 24 February
- Shift
- Evening Shift
- Subject
- Physics
- Chapter
- Electromagnetic Waves
JEE Main 2021 · 24 February · Evening Shift · Physics · Electromagnetic Waves
Match List - I with List - II. List-I List-II (a) Source of...
Match List - I with List - II.
| 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 -rays | (iv) | Vibration of atoms and molecules |
| (v) | LASER | ||
| (vi) | RC circuit | ||
Choose the correct answer from the options given below:
Options
- A(a)-(ii), (b)-(iv), (c)-(vi), (d)-(iii)
- B(a)-(vi), (b)-(iv), (c)-(i), (d)-(v)
- C(a)-(vi), (b)-(v), (c)-(i), (d)-(iv)
- D(a)-(ii), (b)-(iv), (c)-(i), (d)-(iii)
Correct answer
D. (a)-(ii), (b)-(iv), (c)-(i), (d)-(iii)
Step-by-step solution
(a) Source of microwave frequency is magnetron.
(b) Source of infrared frequency is vibration of atoms and molecules.
(c) Source of Gamma rays is radioactive decay of nucleus
(d) Source of X-rays inner shell electron transition.
(b) Source of infrared frequency is vibration of atoms and molecules.
(c) Source of Gamma rays is radioactive decay of nucleus
(d) Source of X-rays inner shell electron transition.