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2nd Chapter

10th Class Physics Chapter 2 (English Medium)

Matric Part 2/10th Class Physics Chapter 11 MCQ Test With Answer for Unit 11 Sound


This online test contains MCQs about following topics:

- Simple Harmonic Motion (SHM) - Damped Oscillations
- Wave Motion
- Types of Mechanical Waves
- Ripple Tank

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Matric Part 2/10th Class Physics Chapter 11 MCQ Test With Answer for Unit 11 Sound

Sr. # Questions Answers Choice
1 The frequency of silent whistle is:
  • A. 20,000 Hz - 25000 Hz
  • B. 2000 Hz - 25000 Hz
  • C. 200 Hz - 2000 Hz
  • D. 25000 Hz
2 The speed of sound in air at 0 <sup>o</sup>C is:
  • A. 331 ms<sup>-1</sup>
  • B. 332 ms<sup>-1</sup>
  • C. 333 ms<sup>-1</sup>
  • D. 336 ms<sup>-1</sup>
3 Sound waves are an example of:
  • A. Transverse waves
  • B. Electromagnetic waves
  • C. Longitudinal waves
  • D. All of these
4 <p class="MsoNormal">When a body moves to and fro about a point, its motion is called:<o:p></o:p></p>
  • A. <p class="MsoNormal">Random motion<o:p></o:p></p>
  • B. <p class="MsoNormal">Vibratory motion<o:p></o:p></p>
  • C. <p class="MsoNormal">Linear motion<o:p></o:p></p>
  • D. <p class="MsoNormal">Rotatory motion<o:p></o:p></p>
5 <p class="MsoNormal">the time period of body attached to spring depend on:<o:p></o:p></p>
  • A. <p class="MsoNormal">mass<o:p></o:p></p>
  • B. <p class="MsoNormal">gravitational constant<o:p></o:p></p>
  • C. <p class="MsoNormal">length<o:p></o:p></p>
  • D. <p class="MsoNormal">amplitude<o:p></o:p></p>
6 Old people can not hear sound above then _____ Hz
  • A. 1000
  • B. 15000
  • C. 20000
  • D. 10000
7 <p class="MsoNormal">Micro waves are used in:<o:p></o:p></p>
  • A. <p class="MsoNormal">Radio<o:p></o:p></p>
  • B. <p class="MsoNormal">Television<o:p></o:p></p>
  • C. <p class="MsoNormal">Mobile phone<o:p></o:p></p>
  • D. <p class="MsoNormal">All of these<o:p></o:p></p>
8 <p class="MsoNormal">The water waves obey the laws of:<o:p></o:p></p>
  • A. <p class="MsoNormal">Reflection<o:p></o:p></p>
  • B. <p class="MsoNormal">Refraction<o:p></o:p></p>
  • C. <p class="MsoNormal">Diffraction<o:p></o:p></p>
  • D. <p class="MsoNormal">All of these<o:p></o:p></p>
9 <p class="MsoNormal">The waves in which particles of the medium vibrate parallel to the direction of waves are called:<o:p></o:p></p>
  • A. <p class="MsoNormal">Longitudinal waves<o:p></o:p></p>
  • B. <p class="MsoNormal">Transverse waves<o:p></o:p></p>
  • C. <p class="MsoNormal">Electromagnetic waves<o:p></o:p></p>
  • D. <p class="MsoNormal">Both a and c<o:p></o:p></p>
10 If the intensity of faintest audible sound is Io and of another sound is I then sound level will be:
  • A. K log Io/I
  • B. Log Io/I 2K
  • C. K log Io/I2
  • D. K log I/Io

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  • Shagufta Ghazanfar

    28 Nov 2022

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    Bijjar Baloch

    01 Jan 2019

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    Mian

    02 Mar 2018

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    Aheed Ashar

    25 Feb 2018

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    Khuram

    20 Jan 2018

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