Beats
High-Yield Trend
Questions 6 MCQs
Two sound waves with wavelengths and , respectively, propagate in gas with a velocity of . How many beats per second can we expect?
1.
2.
3.
4.
| 1. | 2. | ||
| 3. | 4. |
A tuning fork of frequency makes with the vibrating string of a piano. The beat frequency decreases to when the tension in the piano string is slightly increased. The frequency of the piano string before increasing the tension was:
1.
2.
3.
4.
Two sources of sound placed close to each other, are emitting progressive waves given by,
and .
An observer located near these two sources of sound will hear:
| 1. | beats per second with intensity ratio between waxing and waning |
| 2. | beats per second with intensity ratio between waxing and waning |
| 3. | beats per second with intensity ratio between waxing and waning |
| 4. | beats per second with intensity ratio between waxing and waning |
A source of unknown frequency gives beats/s when sounded with a source of known frequency of The second harmonic of the source of unknown frequency gives five beats per second when sounded with a source of frequency of The unknown frequency will be:
| 1. | 2. | ||
| 3. | 4. |
Three sound waves of equal amplitudes have frequencies of and They superimpose to give beats. The number of beats produced per second will be:
| 1. | 2. | ||
| 3. | 4. |
Preparing Beats for NEET
Beats is a specific sub-topic that frequently appears in the NEET examination. Understanding the underlying principles and practicing targeted questions is key to mastering this concept.
The questions compiled above are previous year questions (PYQs) directly related to Beats. Practicing these specific questions helps you understand the difficulty level and the examiner's approach to this topic.
Topic Frequently Asked Questions
Is Beats a high-weightage topic?
You can refer to the priority and consistency badges at the top of this page. High priority topics should be thoroughly revised multiple times before the exam.
Should I memorize the solutions?
No, it is highly recommended to understand the core concept and methodology behind each solution rather than memorizing them, as exact questions are rarely repeated, but the concepts definitely are.