Q. No.To which region of the electromagnetic spectrum does the frequency \(1~\text{GHz}\) correspond to?
| 1. | Ultraviolet rays | 2. | Radiowaves |
| 3. | Visible radiation | 4. | \(X\text-\)rays |
Subtopic: Electromagnetic Spectrum |
54%
Level 3: 35%-60%
Please attempt this question first.
Hints
Please attempt this question first.
Which physical quantity does not change in a vacuum for \(X\text-\)rays?
1. Speed of light
2. Wavelength
3. Frequency
4. None of these
1. Speed of light
2. Wavelength
3. Frequency
4. None of these
Subtopic: Electromagnetic Spectrum |
Level 3: 35%-60%
Hints
Links
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 |
80%
Level 1: 80%+
NEET - 2020
Hints
Links
Match List–I with List–II.
Choose the correct answer from the options given below:
| List-I | List-II | ||
| (A) | UV rays | (I) | Diagnostic tool is medicine |
| (B) | X-rays | (II) | Water purification |
| (C) | Microwave | (III) | Communication, Radar |
| (D) | Infrared wave | (IV) | Improving visibility on foggy days |
Choose the correct answer from the options given below:
| 1. | A-III, B-II, C-I, D-IV |
| 2. | A-II, B-I, C-III, D-IV |
| 3. | A-II, B-IV, C-IIII, D-I |
| 4. | A-III, B-I, C-II, D-IV |
Subtopic: Electromagnetic Spectrum |
85%
Level 1: 80%+
JEE
Please attempt this question first.
Hints
Please attempt this question first.
Subtopic: Electromagnetic Spectrum |
88%
Level 1: 80%+
NEET - 2019
Hints
Links
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 |
80%
Level 1: 80%+
NEET - 2024
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 |
84%
Level 1: 80%+
NEET - 2022
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 |
73%
Level 2: 60%+
NEET - 2022
Hints
The wavelength range of ultraviolet rays is:
1. \(< 10^{-3} ~\text{nm}\)
2. \(700~\text{nm}~\text{to}~1~\text{nm}\)
3. \(400~\text{nm}~\text{to}~700~\text{nm}\)
4. \(1~\text{nm}~\text{to}~400~\text{nm}\)
1. \(< 10^{-3} ~\text{nm}\)
2. \(700~\text{nm}~\text{to}~1~\text{nm}\)
3. \(400~\text{nm}~\text{to}~700~\text{nm}\)
4. \(1~\text{nm}~\text{to}~400~\text{nm}\)
Subtopic: Electromagnetic Spectrum |
69%
Level 2: 60%+
Please attempt this question first.
Hints
Please attempt this question first.
The orange colour of a carrot is due to the presence of the \(\beta\)-carotene molecule. This means that the \(\beta\)-carotene molecule absorbs light at wavelengths that are:
1. longer than \(550~\text{nm}\)
2. shorter than \(550~\text{nm}\)
3. longer than \(700~\text{nm}\)
4. shorter than \(700~\text{nm}\)
Subtopic: Electromagnetic Spectrum |
Level 3: 35%-60%
Please attempt this question first.
Hints
Please attempt this question first.
© 2025 GoodEd Technologies Pvt. Ltd.