ICSE Worksheet for chapter-10 Sound class 10
Worksheet For class 10
This page is prepared by the Academic team of Physics Wallah which consists of ICSE Board Worksheet for Class 10 Physics. Students of Class 10 Physics can get a free Worksheet for Class 10 Physics in PDF format prepared as per the newest syllabus and examination pattern in your schools.
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Summary
- FREE VIBRATIONS
- NATURE OF FREE VIBERATIONS
- DAMPED VIBRATIONS
- FORCED VIBRATIONS
- RESONANCE
Section 1 - Objective
Q1. When a body vibrates with its natural frequency, the force acting on the body is:
- Zero
- Proportional to its velocity
- Proportional to its displacement
- A constant force
Q2. The damped vibrations are with:
- Amplitude decreasing with time
- Amplitude increasing with time
- Constant amplitude
- First decreasing amplitude and then increasing amplitude
Q3. A tuning fork of frequency 256 Hz will resonate with frequency:
- 128Hz
- 256Hz
- 384Hz
- 356 Hz
Q4. Speed of sound in air is 350ms-1. Fundamental frequency of an open organ pipe of 50cm length will be:
- 175Hz
- 350Hz
- 700Hz
- 500Hz
Q5. An open pipe of length 33cm resonates with frequency of 1000Hz. If the speed of sound is 330ms-1, then the frequency is:
- The fundamental frequency of the pipe
- The first harmonic of the pipe
- The second harmonic of the pipe
- The fourth harmonic of the pipe
Q6. The condition when frequency of the applied force is equal to the natural frequency of the vibrating body is
- Velocity
- Resonance
- Impedance
- NOT
Q7. As an empty vessel is filled with water, its fundamental frequency:
- Increases
- Decreases
- Remains the same
- None of these
Q8. Melodious sound is produced an in open ended organ pipe because:
- Odd number of frequencies is generated
- No any frequencies is generated
- Even and odd number of frequencies are generated alternately
- None of these
Q9. Beats are heard due to interference of two sound waves. The intensity of sound changes from maximum to minimum in 100ms. Therefore, the difference in frequencies of the two waves is:
- 10Hz
- 5Hz
- 2.5Hz
- 20Hz
Q10. Sound waves produced by a source are propagating in a medium. The quantity/quantities that change from point to point is / are
- Pressure
- Elasticity
- Temperature
- None of these
Section 2 - Subjective
Q1. Distinguish between Free vibrations and Forced Vibrations
Q2. What do you mean by damped vibration? Draw the displacement time graph for damped and undamped vibrations.
Q3. A person is tuning his radio set to a particular station. What is the person trying to do to tune it.
- Name the phenomenon involved in tuning the radio set.
Q4 Define Resonance and write any 3 applications of resonance?
Solutions for Section 1 & 2
Objective
1. A | 2. A | 3. B | 4. B | 5. C |
6. B | 7. A | 8. C | 9. B | 10. A |
Subjective
Ans 3. (i) Frequency of Radio set = Frequency of Radio waves
(ii) Resonance
Related Link
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