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

Sr. # Questions Answers Choice
1 Pair production can take place only when energy of radiation is equal and greater than 1.02 MeV, thus correct option is.
  • A. X rays
  • B. Gama rays
  • C. Heat Radiation
  • D. Ultraviolet rays
2 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
3 The energy of the photon of wavelength 500 nm is.
  • A. 3.10 eV
  • B. 2.49 eV
  • C. 1.77 eV
  • D. 1.52 eV
4 The maximum kinetic energy of emitted photo electrons depends upon.
  • A. The intensity of incident light
  • B. Frequency of the incident light
  • C. Metal surface
  • D. Both frequency of incident light and metal surface.
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 The quantity/factor h/m<sub>o</sub>c has the dimensions of.
  • A. Length
  • B. Time
  • C. Mass
  • D. Energy
7 Which one of the following paved the way for modern physics
  • A. Newtonian mechanics
  • B. Theory of relativity
  • C. Quantum theory
  • D. All of above
8 When platinum wire is heated, it changes to cherry red at temperature.
  • A. 500<sup>o</sup>C
  • B. 900<sup>o</sup>C
  • C. 1100<sup>o</sup>C
  • D. 1300<sup>o</sup>C
9 De-Broglie waves are associated with
  • A. Moving charged particles only
  • B. Moving neutral particles only
  • C. All moving particles
  • D. All parties whether in motion or at rest
10 unit of Plank's constant is same as that of.
  • A. Acceleration
  • B. Angular momentum
  • C. Linear momentum
  • D. Entropy

Top Scorers of Physics Fsc Part 2 Chapter 8 Online Test

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Usama Arshad

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05 Mins 02 Sec
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07 Mins 17 Sec
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Xufyan Khan

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11/17
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Q

Qadeer Jaan

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Share your comments questions here
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  • S

    Sajal

    09 Dec 2017

    Helpful

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  • I

    Intikhab

    11 Aug 2017

    10/17

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  • T

    Tayyab

    30 Apr 2016

    good and very helpful for exam preparation

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