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 Fringe spacing is inversely proportional to.
  • A. Wave length
  • B. Slit separation
  • C. Distance between the slit and screen
  • D. Frequency of light
2 Light entering rom air glass does not change in its.
  • A. Frequency
  • B. Wavelength
  • C. Velocity
  • D. Direction
3 Oil film floating on water exhibits colours due to
  • A. Interference
  • B. Diffraction
  • C. Polarization
  • D. All of these
4 Which one of the following can not be polarized.
  • A. Ultra violet rays
  • B. Radio waves
  • C. T.V. Waves
  • D. Sound waves
5 Soap film is sunlight appears coloured due to.
  • A. Dispersion of light
  • B. Diffraction of light
  • C. Scattering of light
  • D. Interference fo light
6 In young's double slit experiment for the interference the central region will be
  • A. Dark
  • B. Bright
  • C. Coloured
  • D. None of these
7 The centre of Newton's fringe is dark due to.
  • A. Destructive interference
  • B. Diffraction
  • C. Constructive interference
  • D. Polarization
8 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
9 The distance between two consecutive wave front is equal to
  • A. One wave length
  • B. Two wave length
  • C. Half wave length
  • D. Three wave length
10 Newton's rings are formed due to phenomenon of.
  • A. Interference
  • B. Dispersion
  • C. Diffraction
  • D. Polarization

Top Scorers of Physics Fsc Part 1 Chapter 9 Online Test

I

Izzah Zahur

Lahore15 - Apr - 2025

17/17
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A

Aroojakrambhatti Akrambhatti

Lahore23 - Mar - 2025

17/17
01 Mins 05 Sec
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Noor Fatemah

Lahore15 - May - 2025

17/17
01 Mins 06 Sec
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Ziyaan Gill

Lahore15 - May - 2025

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Mubeen Tufail

Lahore09 - Mar - 2025

17/17
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Hanifa Malik

Lahore07 - May - 2025

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Muhammad Anwar

Lahore09 - Mar - 2025

17/17
01 Mins 25 Sec
A

Aroojakrambhatti Akrambhatti

Lahore23 - Mar - 2025

17/17
01 Mins 29 Sec
A

Aroojakrambhatti Akrambhatti

Lahore23 - Mar - 2025

17/17
01 Mins 29 Sec
M

Mubeen Tufail

Lahore09 - Mar - 2025

17/17
01 Mins 30 Sec
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Shazia Noreen

Lahore15 - Mar - 2025

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01 Mins 31 Sec
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Muhammad Anwar

Lahore09 - Mar - 2025

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Asif Iqbal

Lahore07 - Mar - 2025

17/17
01 Mins 37 Sec
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Esha Nisar

Lahore29 - Mar - 2025

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01 Mins 38 Sec
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Safia Begum

Lahore24 - Mar - 2025

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01 Mins 40 Sec

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

    Like (2)
    Reply
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