- 1(current)
Q. No.The frequency order for γ-rays (b), X-rays (a), and UV-rays (c) is:
| 1. | b>a>c | 2. | a>b>c |
| 3. | c>b>a | 4. | a>c>b |
Subtopic: Electromagnetic Spectrum |
83%
From NCERT
AIPMT - 2000
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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 |
79%
From NCERT
NEET - 2020
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Subtopic: Electromagnetic Spectrum |
88%
From NCERT
NEET - 2019
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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%
From NCERT
AIPMT - 2011
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The energy of the EM waves is of the order of 15 keV. To which part of the spectrum does it belong?
1. X-rays
2. Infrared rays
3. Ultraviolet rays
4. γ-rays
Subtopic: Electromagnetic Spectrum |
60%
From NCERT
NEET - 2015
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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 m |
| (b) | Microwaves | (ii) | 102 m |
| (c) | Infrared radiation | (iii) | 10−2 m |
| (d) | X-rays | (iv) | 10−4 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%
From NCERT
NEET - 2022
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The biological importance of the ozone layer is:
| 1. | it stops ultraviolet rays. |
| 2. | ozone layer reduces the greenhouse effect. |
| 3. | ozone layer reflects radio waves. |
| 4. | ozone layer controls O2/H2 ratio in the atmosphere. |
Subtopic: Electromagnetic Spectrum |
86%
From NCERT
AIPMT - 2001
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- 1(current)
Q. No.
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