11th Chapter

10th class Physics Ch 11 (English Medium)

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

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

Sr. # Questions Answers Choice
1 <p class="MsoNormal">What is fitted in telephone receiver:<o:p></o:p></p>
  • A. <p class="MsoNormal">Electromagnet<o:p></o:p></p>
  • B. <p class="MsoNormal">Diaphragm<o:p></o:p></p>
  • C. <p class="MsoNormal">Both a and b<o:p></o:p></p>
  • D. <p class="MsoNormal">None<o:p></o:p></p>
2 When frequency of sound wave is increased, which of the following decreases?<div>i) Wavelength ii) Period iii) Amplitude</div>
  • A. i only
  • B. (iii) only
  • C. i and ii only
  • D. i and iii only
3 <p class="MsoNormal">The waves in which particles of the medium vibrate perpendicular to the direction of waves are:<o:p></o:p></p>
  • A. <p class="MsoNormal">Electromagnetic waves<o:p></o:p></p>
  • B. <p class="MsoNormal">Sound waves<o:p></o:p></p>
  • C. <p class="MsoNormal">Both a and b<o:p></o:p></p>
  • D. <p class="MsoNormal">Transverse waves<o:p></o:p></p>
4 <p class="MsoNormal">The unit of spring constant is:<o:p></o:p></p>
  • A. m
  • B. kg
  • C. <p class="MsoNormal">Nm<sup>2<o:p></o:p></sup></p>
  • D. <p class="MsoNormal">Nm<sup>-1<o:p></o:p></sup></p>
5 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>
6 <p class="MsoNormal">the waves have properties:<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>
7 <p class="MsoNormal">The waves which travel in straight line through space and have strong signals are called:<o:p></o:p></p>
  • A. <p class="MsoNormal">Micro waves<o:p></o:p></p>
  • B. <p class="MsoNormal">Mechanical waves<o:p></o:p></p>
  • C. <p class="MsoNormal">Light waves<o:p></o:p></p>
  • D. <p class="MsoNormal">Magnet waves<o:p></o:p></p>
8 <p class="MsoNormal">The value of acceleration is simple harmonic motion at mean position is:<o:p></o:p></p>
  • A. <p class="MsoNormal">Maximum<o:p></o:p></p>
  • B. <p class="MsoNormal">Zero<o:p></o:p></p>
  • C. <p class="MsoNormal">10 N<o:p></o:p></p>
  • D. <p class="MsoNormal">Both a and b<o:p></o:p></p>
9 <p class="MsoNormal">the unit of frequency is:<o:p></o:p></p>
  • A. <p class="MsoNormal">hertz<o:p></o:p></p>
  • B. <p class="MsoNormal">vibration per second<o:p></o:p></p>
  • C. <p class="MsoNormal">cycle per second<o:p></o:p></p>
  • D. <p class="MsoNormal">all a, b and c<o:p></o:p></p>
10 The intensity of lawn mover is:
  • A. 10<sup>-1</sup> wm<sup>-2</sup>
  • B. 10<sup>-2</sup>wm<sup>-2</sup>
  • C. 10<sup>-1</sup>wm<sup>-3</sup>
  • D. 10<sup>-3</sup>wm<sup>-2</sup>

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  • H, Khan

    13 Mar 2024

    Being a student we really appreciate this quiz it really help us to clear the concepts

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