Q. No.Match List I with List II :
Choose the correct answer from the options given below:
1. A-III, B-I, C-II, D-IV
2. A-III, B-IV, C-I, D-II
3. A-IV, B-III, C-II, D-I
4. A-IV, B-I, C-II, D-III
| 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 |
1. A-III, B-I, C-II, D-IV
2. A-III, B-IV, C-I, D-II
3. A-IV, B-III, C-II, D-I
4. A-IV, B-I, C-II, D-III
Subtopic: Electromagnetic Spectrum |
Level 3: 35%-60%
NEET - 2026
Please attempt this question first.
Hints
Among the various types of electromagnetic radiation, the one with the smallest wavelength is:
| 1. | \(\mathrm{X}\)-rays | 2. | Gamma rays |
| 3. | Ultraviolet rays | 4. | Microwaves |
Subtopic: Electromagnetic Spectrum |
81%
Level 1: 80%+
NEET - 2024
Hints
Match List I with List II.
Choose the correct answer from the options given below:
| List - I (Electromagnetic waves) |
List - II (Wavelength) |
||
| (a) | AM radio waves | (i) | \(10^{-10}~\text{m}\) |
| (b) | Microwaves | (ii) | \(10^{2} ~\text{m}\) |
| (c) | Infrared radiation | (iii) | \(10^{-2} ~\text{m}\) |
| (d) | \(X\)-rays | (iv) | \(10^{-4} ~\text{m}\) |
Choose the correct answer from the options given below:
| (a) | (b) | (c) | (d) | |
| 1. | (ii) | (iii) | (iv) | (i) |
| 2. | (iv) | (iii) | (ii) | (i) |
| 3. | (iii) | (ii) | (i) | (iv) |
| 4. | (iii) | (iv) | (ii) | (i) |
Subtopic: Electromagnetic Spectrum |
74%
Level 2: 60%+
NEET - 2022
Hints
If \(\lambda_X,\lambda_I,\lambda_M\) and \(\lambda_\gamma\) are the wavelengths of \(X\)-rays, infrared rays, microwaves and \(\gamma\)-rays respectively, then:
| 1. | \(\lambda_\gamma<\lambda_X<\lambda_I<\lambda_M\) |
| 2. | \(\lambda_M<\lambda_I<\lambda_X<\lambda_\gamma\) |
| 3. | \(\lambda_X<\lambda_\gamma<\lambda_M<\lambda_I\) |
| 4. | \(\lambda_X<\lambda_I<\lambda_\gamma<\lambda_M\) |
Subtopic: Electromagnetic Spectrum |
85%
Level 1: 80%+
NEET - 2022
Hints
The EM wave with the shortest wavelength among the following is:
1. Ultraviolet rays
2. \(X\)-rays
3. Gamma-rays
4. Microwaves
1. Ultraviolet rays
2. \(X\)-rays
3. Gamma-rays
4. Microwaves
Subtopic: Electromagnetic Spectrum |
81%
Level 1: 80%+
NEET - 2020
Hints
Links
Subtopic: Electromagnetic Spectrum |
88%
Level 1: 80%+
NEET - 2019
Hints
Links
The energy of the EM waves is of the order of \(15~\mathrm{keV}\). To which part of the spectrum does it belong?
1. X-rays
2. Infrared rays
3. Ultraviolet rays
4. \(\gamma\)-rays
1. X-rays
2. Infrared rays
3. Ultraviolet rays
4. \(\gamma\)-rays
Subtopic: Electromagnetic Spectrum |
60%
Level 2: 60%+
NEET - 2015
Hints
The condition under which a microwave oven heats up a food item containing water molecules most efficiently is:
| 1. | the frequency of microwaves has no relation with the natural frequency of water molecules. |
| 2. | microwaves are heatwaves, so always produce heating. |
| 3. | infrared waves produce heating in a microwave oven. |
| 4. | the frequency of the microwaves must match the resonant frequency of the water molecules. |
Subtopic: Electromagnetic Spectrum |
80%
Level 1: 80%+
AIPMT - 2013
Hints
The decreasing order of wavelength of infrared, microwave, ultraviolet and gamma rays is:
| 1. | gamma rays, ultraviolet, infrared, microwaves. |
| 2. | microwaves, gamma rays, infrared, ultraviolet. |
| 3. | infrared, microwave, ultraviolet, gamma rays. |
| 4. | microwave, infrared, ultraviolet, gamma rays. |
Subtopic: Electromagnetic Spectrum |
85%
Level 1: 80%+
AIPMT - 2011
Hints
If \(\lambda_{v}, \lambda_{x},\) and \(\lambda_{m}\) represent the wavelengths of visible light, \(x\text-\)rays and microwaves respectively, then:
1. \( \lambda_{m}>\lambda_{x}>\lambda_{v} \)
2. \( \lambda_{v}>\lambda_{m}>\lambda_{x } \)
3. \( \lambda_{v}>\lambda_{x}>\lambda_{m }\)
4. \(\lambda_{m}>\lambda_{v}>\lambda_{x}\)
Subtopic: Electromagnetic Spectrum |
89%
Level 1: 80%+
AIPMT - 2005
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