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19th Chapter

12th Class Physics Chapter 19 Test

Here you can prepare 12th Class Physics Chapter 19 Dawn of Modern Physics Test. Click the button for 100% free full practice test.

Second Year Physics Chapter 19 Online MCQ Test for 2nd Year Physics Chapter 19 Dawn of Modern Physics Preparation

This online test contains MCQs about following topics:.

- Relative Motion - Frames of Reference - Special Theory of Relativity - Black Body Radiation - Interaction of Electromagnetic Radiation With Matter - Annihilation of Matter - Wave Nature of Particles - Uncertainty Principle

FSC Part 2 Physics Ch 19 Test
ic

Second Year Physics Chapter 19 Online MCQ Test for 2nd Year Physics Chapter 19 Dawn of Modern Physics Preparation

Sr. # Questions Answers Choice
1 The mass of an object will be doubled at speed.
  • A. 2.6 x 10<sup>8</sup> m/s
  • B. 1.6 x 10<sup>8 </sup>m/s
  • C. 2.6 x 10<sup>7 </sup>m/s
  • D. 3.6 x 10<sup>7</sup> m/s
2 In Compton scatting, the value of shift is equal to Compton's wavelength, when X-rays is scattered at the angle of.
  • A. 90<sup>o</sup>C
  • B. Zero
  • C. 120<sup>o</sup>C
  • D. 45<sup>o</sup>C
3 Which is the most refined form of matter.
  • A. Smoke
  • B. Fog
  • C. Light
  • D. Electron
4 Pair production cannto take place in vacuum because :
  • A. Mass in not conserved
  • B. Momentum is not conserved
  • C. Energy is not conserved
  • D. Charge is not conserved
5 When platinum is it becomes orange at
  • A. 500<sup>o</sup>C
  • B. 900<sup>o</sup>C
  • C. 1100<sup>o</sup>C
  • D. 1300<sup>o</sup>C
6 Photo electrons are emitted y using visible light when the metal is.
  • A. sodium
  • B. Copper
  • C. Nicked
  • D. Cobalt
7 In Compton effect the photon behaves as a.
  • A. Wave
  • B. Particle
  • C. Nucleon
  • D. Both a and b
8 An electron miroscope emplys which to one of the following particles?
  • A. Electron ahve a wave nature
  • B. Electrons can be focused by an electric field
  • C. Electrons can be focused by a magnetic field
  • D. All of the above
9 The value of Stefan is constant is:
  • A. 4.57 x 10<sup>-8</sup> m<sup>2</sup>k<sup>2</sup>
  • B. 5.67 x10<sup>-8</sup> wm<sup>-2</sup>k<sup>-4</sup>
  • C. 6.67x 10<sup>-11</sup> wm<sup>2</sup>k<sup>4</sup>
  • D. 7.45 x &nbsp;10<sup>-9</sup> m<sup>2</sup> wk<sup>3</sup>
10 Wave nature of light appears in
  • A. Pair production
  • B. Compton effect
  • C. Photo electric
  • D. Interference

Top Scorers of Physics Fsc Part 2 Chapter 8 Online Test

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Moaz Vahedy

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Moaz Vahedy

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Talha Shahid

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Moaz Vahedy

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Moaz Vahedy

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Malik Bilal

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Share your comments questions here
Sort By:
  • S

    Sajal

    09 Dec 2017

    Helpful

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  • I

    Intikhab

    11 Aug 2017

    10/17

    Like
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  • T

    Tayyab

    30 Apr 2016

    good and very helpful for exam preparation

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