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12th Chapter

10th class Physics Ch 12 (English Medium)

Here you can prepare 10th Physics English Medium Chapter 12 (Geometrical Optics) Test. Click the button for 100% free full practice test..

Matric Part 2/10th Class Physics Chapter 12 MCQ Test With Answer for Chapter 12 (Geometrical Optics)

Matric Part 2/10th Class Physics Chapter 12 MCQ Test With Answer for Chapter 12 (Geometrical Optics)

Sr. # Questions Answers Choice
1 Critical angle for diamond is:
  • A. 60<sup>o</sup>
  • B. 24<sup>o</sup>
  • C. 26<sup>o</sup>
  • D. 49<sup>o</sup>
2 Focal length for concave mirror is :
  • A. -ve
  • B. +ve
  • C. same
  • D. none of these
3 <p class="MsoNormal">An example of input device computer is:<o:p></o:p></p>
  • A. <p class="MsoNormal">Keyboard<o:p></o:p></p>
  • B. <p class="MsoNormal">printer<o:p></o:p></p>
  • C. <p class="MsoNormal">monitor<o:p></o:p></p>
  • D. <p class="MsoNormal">RAM<o:p></o:p></p>
4 <p class="MsoNormal">Hard disk is made of:<o:p></o:p></p>
  • A. <p class="MsoNormal">Aluminium<o:p></o:p></p>
  • B. <p class="MsoNormal">Copper<o:p></o:p></p>
  • C. <p class="MsoNormal">Iron<o:p></o:p></p>
  • D. <p class="MsoNormal">Plastic<o:p></o:p></p>
5 <p class="MsoNormal">Which is an example of a longitudinal wave:<o:p></o:p></p>
  • A. <p class="MsoNormal">Sound wave<o:p></o:p></p>
  • B. <p class="MsoNormal">Light wave<o:p></o:p></p>
  • C. <p class="MsoNormal">Radio wave<o:p></o:p></p>
  • D. <p class="MsoNormal">Water wave<o:p></o:p></p>
6 Snell' law is:
  • A. n = sin&lt;x/sin &lt;r
  • B. n=sin &lt;i/sin&lt;r
  • C. n = sin &lt;r/sin&lt;i
  • D. &lt;i/&lt;r
7 <p class="MsoNormal">For a normal person audible frequency range for sound wave lies between:<o:p></o:p></p>
  • A. <p class="MsoNormal">10 Hz and 10kHz<o:p></o:p></p>
  • B. <p class="MsoNormal">20Hz and 20 kHz<o:p></o:p></p>
  • C. <p class="MsoNormal">25 Hz and 25 kHz<o:p></o:p></p>
  • D. <p class="MsoNormal">30Hz and 30 kHz<o:p></o:p></p>
8 Mathematical relationship between critical angle "C" and refractive index "n" is:
  • A. N = C
  • B. N = 1 / sin c
  • C. N = 1 / cos c
  • D. N = 1 / sin2 c
9 The index of refraction depends on:
  • A. The focal length
  • B. The speed of light
  • C. the image distance
  • D. The object distance
10 In totally reflecting prism one angle is of 90<sup>o</sup>, and other two angles are of:
  • A. 30<sup>o</sup>,30<sup>o</sup>
  • B. 45<sup>o</sup>,90<sup>o</sup>
  • C. 45<sup>o</sup>,45<sup>o</sup>
  • D. 40<sup>o</sup>,40<sup>o</sup>

Top Scorers of 10th Class Physics Chapter 12 Geometrical Optics English Medium KPK Boards Online Mcqs

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Lahore07 - Mar - 2024

9/12
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Ahmad Fiaz

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Javed Sarwar

Lahore31 - Jan - 2024

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Lahore07 - Mar - 2024

8/12
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Rizwan Afridi

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Ahmad Fiaz

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Ahmad Fiaz

Lahore07 - Mar - 2024

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Ahmad Fiaz

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