Q. No.Match List-I (Electromagnetic wave type) with List-II (Its association/application) and select the correct option from the choices given below the list:
| List-I | List-II | ||
| (a) | Infrared waves | (i) | To treat muscular strain |
| (b) | Radio waves | (ii) | For broadcasting |
| (c) | X-rays | (iii) | To detect fractures of bones |
| (d) | Ultraviolet rays | (iv) | Absorbed by the ozone layer of the atmosphere |
| Options: | (a) | (b) | (c) | (d) |
| 1. | (i) | (ii) | (iv) | (iii) |
| 2. | (iii) | (ii) | (i) | (iv) |
| 3. | (i) | (ii) | (iii) | (iv) |
| 4. | (iv) | (iii) | (ii) | (ii) |
Subtopic: Electromagnetic Spectrum |
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Level 1: 80%+
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Arrange the following electromagnetic radiations per quantum in the order of increasing energy:
| A : | Blue light |
| B : | Yellow light |
| C : | X-ray |
| D : | Radiowave |
| 1. | D, B, A, C |
| 2. | A, B, D, C |
| 3. | C, A, B, D |
| 4. | B, A, D, C |
Subtopic: Electromagnetic Spectrum |
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Level 2: 60%+
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Choose the correct option relating wavelengths of different parts of electromagnetic wave spectrum:
| 1. | \( \lambda_{\text {radio waves }}>\lambda_{\text {micro waves }}>\lambda_{\text {visible }}>\lambda_{\text {x-rays }}\) |
| 2. | \(\lambda_{\text {visible }}>\lambda_{\text {x-rays }}>\lambda_{\text {radio waves }}>\lambda_{\text {micro waves }} \) |
| 3. | \( \lambda_{\text {x-rays }}<\lambda_{\text {micro waves }}<\lambda_{\text {radio waves }}<\lambda_{\text {visible }}\) |
| 4. | \( \lambda_{\text {visible }}<\lambda_{\text {micro waves }}<\lambda_{\text {radio waves }}<\lambda_{\mathrm{x} \text {-rays }}\) |
Subtopic: Electromagnetic Spectrum |
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Column-I lists types of radiation, and Column-II lists their corresponding wavelengths. Match the correct pairs.
| Column-I | Column-II | ||
| \(\mathrm{(A)}\) | Microwaves | \(\mathrm{(I)}\) | \(100~\text{m}\) |
| \(\mathrm{(B)}\) | Gamma rays | \(\mathrm{(II)}\) | \(10^{-15}~\text{m}\) |
| \(\mathrm{(C)}\) | AM radio waves | \(\mathrm{(III)}\) | \(10^{-10}~\text{m}\) |
| \(\mathrm{(D)}\) | X-rays | \(\mathrm{(IV)}\) | \(10^{-3}~\text{m}\) |
| 1. | \(\mathrm{A\text-II,B\text-I,C\text-IV,D\text-III}\) |
| 2. | \(\mathrm{A\text-I,B\text-III,C\text-IV,D\text-II}\) |
| 3. | \(\mathrm{A\text-III,B\text-II,C\text-I,D\text-IV}\) |
| 4. | \(\mathrm{A\text-IV,B\text-II,C\text-I,D\text-III}\) |
Subtopic: Electromagnetic Spectrum |
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Level 2: 60%+
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Match Column I with Column II.
| Column I | Column II | ||
| (a) | Source of microwave frequency | (i) | Radioactive decay on the nucleus |
| (b) | Source of infrared frequency | (ii) | Magnetron |
| (c) | Source of Gamma Rays | (iii) | Inner shell electrons |
| (d) | Source of X-Rays | (iv) | Vibration of atoms and molecules |
Choose the correct answer from the options given below:
| 1. | (a)-(iii), (b)-(ii), (c)-(iv), (d)-(i) |
| 2. | (a)-(vi), (b)-(i), (c)-(iii), (d)-(ii) |
| 3. | (a)-(ii), (b)-(iv), (c)-(i), (d)-(iii) |
| 4. | (a)-(iv), (b)-(iii), (c)-(ii), (d)-(i) |
Subtopic: Electromagnetic Spectrum |
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Which is the correct ascending order of wavelengths?
1. \(\lambda_{\text {visible }}<\lambda_{\text{X} \text {-ray }}<\lambda_{\text {gamma-ray }}<\lambda_{\text {microwave }} \)
2. \( \lambda_{\text {gamma-ray }}<\lambda_\text{X-ray}<\lambda_{\text {visible }}<\lambda_{\text {microwave }} \)
3. \( \lambda_{\text{X-ray }}<\lambda_{\text {gamma-ray }}<\lambda_{\text {visible }}<\lambda_{\text {microwave }} \)
4. \(\lambda_{\text {microwave }}<\lambda_{\text {visable }}<\lambda_{\text {gamma-ray }}<\lambda_{\text {X-ray }}\)
1. \(\lambda_{\text {visible }}<\lambda_{\text{X} \text {-ray }}<\lambda_{\text {gamma-ray }}<\lambda_{\text {microwave }} \)
2. \( \lambda_{\text {gamma-ray }}<\lambda_\text{X-ray}<\lambda_{\text {visible }}<\lambda_{\text {microwave }} \)
3. \( \lambda_{\text{X-ray }}<\lambda_{\text {gamma-ray }}<\lambda_{\text {visible }}<\lambda_{\text {microwave }} \)
4. \(\lambda_{\text {microwave }}<\lambda_{\text {visable }}<\lambda_{\text {gamma-ray }}<\lambda_{\text {X-ray }}\)
Subtopic: Electromagnetic Spectrum |
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Level 1: 80%+
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Match List I with List II:
Choose the correct options from the given ones:
| List I | List II | ||
| (a) | Ultraviolet rays | (i) | Study crystal structure |
| (b) | Microwaves | (ii) | Greenhouse effect |
| (c) | Infrared waves | (iii) | Sterilizing surgical instrument |
| (d) | X-rays | (iv) | Radar system |
Choose the correct options from the given ones:
| 1. | \(\mathrm{(a)\rightarrow (iii), (b)\rightarrow(iv), (c) \rightarrow (ii), (d) \rightarrow(i)}\) |
| 2. | \(\mathrm{(a) \rightarrow (iii), (b) \rightarrow (i), (c) \rightarrow (ii), (d) \rightarrow(iv)}\) |
| 3. | \(\mathrm{(a) \rightarrow (iv), (b) \rightarrow (iii), (c) \rightarrow (ii), (d) \rightarrow (i)}\) |
| 4. | \(\mathrm{(a)\rightarrow (iii), (b) \rightarrow(iv), (c) \rightarrow (i), (d) \rightarrow (ii)}\) |
Subtopic: Electromagnetic Spectrum |
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Level 1: 80%+
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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 |
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Which of the following electromagnetic waves has the highest energy?
1. \(\mathrm{X} \text-\)rays
2. Infrared
3. Microwaves
4. radio waves
1. \(\mathrm{X} \text-\)rays
2. Infrared
3. Microwaves
4. radio waves
Subtopic: Electromagnetic Spectrum |
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Level 1: 80%+
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Which is more energetic: an infrared wave or a microwave?
| 1. | infrared wave |
| 2. | microwave |
| 3. | both have the same energy |
| 4. | it cannot be predicted |
Subtopic: Electromagnetic Spectrum |
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Level 1: 80%+
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