NEET · Physics · STD 12 - 8. Electromagnetic waves
Match List-I with List-II
| List-I (Electromagnetic wave) | List-II (Production) |
| (A) Microwave | (I) Electrons in atoms emit light when they move from a higher energy level to a lower energy level |
| (B) Visible light | (II) Radioactive decay of nucleus |
| (C) Gamma rays | (III) Vibration of atoms and molecules |
| (D) Infra-red rays | (IV) Klystron valve or magnetron valve |
Choose the correct answer from the options given below:
- A A-III, B-I, C-II, D-IV
- B A-III, B-IV, C-I, D-II
- C A-IV, B-I, C-II, D-III
- D A-IV, B-III, C-II, D-I
Answer & Solution
Correct Answer
(C) A-IV, B-I, C-II, D-III
Step-by-step Solution
Detailed explanation
(C) A-IV, B-I, C-II, D-III
Microwaves are produced by special vacuum tubes such as klystron valves, magnetron valves, and Gunn diodes. Thus, A matches IV.
Visible light is produced when electrons in atoms undergo transitions from a higher energy level to a lower energy level. Thus, B matches I.
Gamma rays are produced during the radioactive decay of the nucleus and other nuclear reactions. Thus, C matches II.
Infra-red rays are produced by hot bodies and molecules, specifically due to the vibration of atoms and molecules. Thus, D matches III.
The correct matching is A-IV, B-I, C-II, D-III.
Microwaves are produced by special vacuum tubes such as klystron valves, magnetron valves, and Gunn diodes. Thus, A matches IV.
Visible light is produced when electrons in atoms undergo transitions from a higher energy level to a lower energy level. Thus, B matches I.
Gamma rays are produced during the radioactive decay of the nucleus and other nuclear reactions. Thus, C matches II.
Infra-red rays are produced by hot bodies and molecules, specifically due to the vibration of atoms and molecules. Thus, D matches III.
The correct matching is A-IV, B-I, C-II, D-III.
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