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 When one mirror of a Michelson interferometer is moved a distance of 0.5 mm, 2000 fringes and observed, The wavelength of light used is.
  • A. 5000 m
  • B. 50000 A<sup>o</sup>
  • C. 500 cm
  • D. 2000 A<sup>o</sup>
2 The property of bending of light around obstacles is
  • A. Interference
  • B. Diffraction
  • C. Polarization
  • D. Superposition
3 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
4 The Bragg's equation is given by
  • A.
  • B.
  • C.
  • D.
5 The fringe spacing in a double slit experiment can be increased by decreasing.
  • A. Wavelength of light
  • B. Width of slits
  • C. Slit separation
  • D. Distance between the slits and the screen
6 Light entering rom air glass does not change in its.
  • A. Frequency
  • B. Wavelength
  • C. Velocity
  • D. Direction
7 Sodium chloride in a flame gives
  • A. Green light
  • B. White light
  • C. Red light
  • D. Yellow light
8 The wavelength of X-rays is of the order of.
  • A. 10<sup>-8</sup> m
  • B. 10<sup>-10</sup>m
  • C. 10<sup>-5</sup>m
  • D. 10<sup>-4</sup>m
9 The fringe spacing increases if we use.
  • A. Yellow light
  • B. Green lgiht
  • C. Blue light
  • D. Red light
10 Soap film is sunlight appears coloured due to.
  • A. Dispersion of light
  • B. Diffraction of light
  • C. Scattering of light
  • D. Interference fo light

Top Scorers of Physics Fsc Part 1 Chapter 9 Online Test

M

Minahil

Lahore26 - Aug - 2024

17/17
41 Sec
M

Minahil

Lahore26 - Aug - 2024

17/17
41 Sec
M

Minahil

Lahore26 - Aug - 2024

17/17
41 Sec
M

Minahil

Lahore26 - Aug - 2024

17/17
41 Sec
M

Minahil

Lahore26 - Aug - 2024

17/17
41 Sec
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Saleena Ramzan

Lahore26 - Aug - 2024

16/17
25 Sec
M

Minahil

Lahore26 - Aug - 2024

16/17
41 Sec
M

Minahil

Lahore26 - Aug - 2024

16/17
41 Sec
M

Minahil

Lahore26 - Aug - 2024

16/17
41 Sec
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Ridanoor Ridanoor

Lahore31 - Oct - 2024

16/17
03 Mins 14 Sec
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Ridanoor Ridanoor

Lahore31 - Oct - 2024

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Neha Altaf

Lahore01 - Oct - 2024

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Muhammad Nausherwan Umar

Lahore27 - Sep - 2024

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04 Mins 54 Sec
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Minahil

Lahore26 - Aug - 2024

15/17
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Wasif Ali Wasif Ali

Lahore31 - Aug - 2024

15/17
01 Mins 25 Sec

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    Zainab Nawaz

    08 Apr 2018

    great !!!!

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    01 Dec 2017

    Idk

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    ALI HAMZA

    27 May 2017

    good job

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