- 1(current)
Q. No.| Assertion (A): | In the case of a stationary wave, a person hears a loud sound at the nodes as compared to the antinodes. |
| Reason (R): | In a stationary wave, all the particles of the medium vibrate in phase. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology| Assertion (A): | Our ears distinguish two notes, one produced by a violin and other by guitar, if they have exactly same intensity and same frequency. |
| Reason (R): | When a musical instrument is played, it produces a fundamental note which is accompanied by a number of overtones called harmonics. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology| Assertion (A): | In a stationary wave there is no transfer of energy. |
| Reason (R): | The distance between two consecutive nodes or antinodes is \(\begin{aligned}\frac{\lambda}{\sqrt{2}} \end{aligned}\). |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 3. | (A) is True but (R) is False. |
| 4. | Both (A) and (R) are False. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA pipe, \(30.0\) cm long, is open at both ends.
| (i) | Which harmonic mode of the pipe resonates a \(1.1\) kHz source? |
| (ii) | Will resonance with the same source be observed if one end of the pipe is closed? |
Take the speed of sound in air as \(330\) m s–1.
| (i) | (ii) | |
| 1. | First | No |
| 2. | Second | No |
| 3. | First | Yes |
| 4. | Second | Yes |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIf the speed of sound in air is \(320\) m/s, then with what frequency of sound will an air column of \(2\) m long pipe closed at one end will resonate?
1. \(120\) Hz
2. \(200\) Hz
3. \(280\) Hz
4. All of these
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology- 1(current)
Q. No.
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