9th Chapter

11th Class Physics Chapter 9 Test

First Year Physics Chapter 9 Online MCQ Test for 1st Year Physics Chapter 9 (Physical Optics)


This online test contains MCQs about following topics:

Wave Fronts - Huygen's principle - Interferance of Light Waves - Young's Double slit Experiment - Interference in Thin Films - Newton's Rings - Michelson's Interferometer - Diffraction of Light - Diffraction due to a Narrow slit - Diffraction Grating - Diffraction of X-Rays by Crystals - Polarization

FSC Part 1 Physics Ch. 9 Test

Start Physics Ch. 9 Test

First Year Physics Chapter 9 Online MCQ Test for 1st Year Physics Chapter 9 (Physical Optics)

Sr. # Questions Answers Choice
1 The blue colour of sky is due to
  • A. diffraction
  • B. Reflection
  • C. Polarization
  • D. Scattering
2 According to Huygen's principle the points on primary wave front can be considered as
  • A. Secondary wavelets
  • B. Ray of light
  • C. Source of light
  • D. None of these
3 According to Hygen's principle, each point on a wave front acts as a source of.
  • A. Secondary wavelet
  • B. New wave front
  • C. Sound
  • D. Primary wavelet
4 Which of the following is evidence of wave nature of light
  • A. Interference
  • B. Diffraction
  • C. Polarization
  • D. All of these
5 The centre of Newton's rings will be
  • A. Dark
  • B. Bright
  • C. Coloured
  • D. Not visible
6 Hygen's principle is used for.
  • A. Explain polarization
  • B. Locate the wave front
  • C. Find the speed of light
  • D. Find the index of refraction
7 Which one of the following can not be polarized.
  • A. Ultra violet rays
  • B. Radio waves
  • C. T.V. Waves
  • D. Sound waves
8 Michelson's interferometer can be used ot find the
  • A. Velocity of light
  • B. Wavelength of light
  • C. Velocity of sound
  • D. Wavelength of sound
9 Bright fringes are also called as
  • A. Minima
  • B. Maxima
  • C. Wave front
  • D. Ray of light
10 Sound waves can not be
  • A. Reflected
  • B. Refracted
  • C. Polarized
  • D. Diffracted

Top Scorers of Physics Fsc Part 1 Chapter 9 Online Test

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Ali Hassan

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Ali Shahid

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55 Sec
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Noor Fatemah

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01 Mins 06 Sec
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Ziyaan Gill

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Naila Akhtar

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Naila Akhtar

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Honey Honey

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Hania Farhan

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EVERYTHING WRITE EIRA

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Share your comments questions here
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  • Z

    Zainab Nawaz

    08 Apr 2018

    great !!!!

    Like (5)
    Reply
  • F

    Fatima

    01 Dec 2017

    Idk

    Like (3)
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  • A

    ALI HAMZA

    27 May 2017

    good job

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