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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 speed of sound is air at 21 <sup>o</sup>C is:
  • A. 336 ms<sup>-1</sup>
  • B. 343 ms<sup>-1</sup>
  • C. 430 ms<sup>-1</sup>
  • D. 470 ms<sup>-1</sup>
2 <p class="MsoNormal">The displacement produced in the spring is directly proportional to force is called:<o:p></o:p></p>
  • A. <p class="MsoNormal">Hook’s law<o:p></o:p></p>
  • B. <p class="MsoNormal">Boyle’s law<o:p></o:p></p>
  • C. <p class="MsoNormal">Newton’s law<o:p></o:p></p>
  • D. <p class="MsoNormal">Joule’s law<o:p></o:p></p>
3 The sound level of rustling of leave is:
  • A. 1 dB
  • B. 20 dB
  • C. 30 dB
  • D. 10 dB
4 The character by which lound and faint sound can be distinguished is called:
  • A. Pitch
  • B. Quality
  • C. Loudness
  • D. Intensity
5 <p class="MsoNormal">The ration of external force applied on the spring to displacement is called:<o:p></o:p></p>
  • A. <p class="MsoNormal">Hooke’s law<o:p></o:p></p>
  • B. <p class="MsoNormal">Constant<o:p></o:p></p>
  • C. <p class="MsoNormal">Spring constant<o:p></o:p></p>
  • D. <p class="MsoNormal">Force<o:p></o:p></p>
6 The speed of sound of water at 25 <sup>o</sup>C is:
  • A. 1530 ms<sup>-1</sup>
  • B. 1531 ms<sup>-1</sup>
  • C. 1560 ms<sup>-1</sup>
  • D. 1570 ms<sup>-1</sup>
7 <p class="MsoNormal">If the mass of bob of a simple pendulum is doubled, its time period:<o:p></o:p></p>
  • A. <p class="MsoNormal">Is doubled<o:p></o:p></p>
  • B. <p class="MsoNormal">Becomes four times<o:p></o:p></p>
  • C. <p class="MsoNormal">Remains same<o:p></o:p></p>
  • D. <p class="MsoNormal">Becomes half<o:p></o:p></p>
8 <p class="MsoNormal">The waves, which are used to detect the broken bones are called:<o:p></o:p></p>
  • A. <p class="MsoNormal">Light waves<o:p></o:p></p>
  • B. <p class="MsoNormal">x-rays<o:p></o:p></p>
  • C. <p class="MsoNormal">sound waves<o:p></o:p></p>
  • D. <p class="MsoNormal">both b and c<o:p></o:p></p>
9 <p class="MsoNormal">1 GB =<o:p></o:p></p>
  • A. <p class="MsoNormal">1022MB<o:p></o:p></p>
  • B. <p class="MsoNormal">1023 MB<o:p></o:p></p>
  • C. <p class="MsoNormal">1024MB<o:p></o:p></p>
  • D. <p class="MsoNormal">1025MB<o:p></o:p></p>
10 <p class="MsoNormal">the number of waves passing through a point in one second is called:<o:p></o:p></p>
  • A. <p class="MsoNormal">time period<o:p></o:p></p>
  • B. <p class="MsoNormal">cycle<o:p></o:p></p>
  • C. <p class="MsoNormal">frequency<o:p></o:p></p>
  • D. <p class="MsoNormal">amplitude<o:p></o:p></p>

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    Bijjar Baloch

    01 Jan 2019

    How can i use?GuyS

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    Mian

    02 Mar 2018

    good practice

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    Aheed Ashar

    25 Feb 2018

    Very useful site

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    Khuram

    20 Jan 2018

    good

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