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9th Chapter

11th Class Physics Chapter 9 Test

Here you can prepare 11th Class Physics Chapter 9 Physical Optics Test. Click the button for 100% free full practice 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

ICS Part 1 Physics Ch 9 Test
ic

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

Sr. # Questions Answers Choice
1 In case of point source the shape of wave front is
  • A. Circular
  • B. Spherical
  • C. Elliptical
  • D. Square
2 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
3 X-ray diffraction has been very useful in determining the structure of
  • A. Hemoglobin
  • B. Stars
  • C. Galaxies
  • D. Stones
4 Oil film floating on water exhibits colours due to
  • A. Interference
  • B. Diffraction
  • C. Polarization
  • D. All of these
5 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
6 Bending of light around the edges of an obstacle is called.
  • A. Refraction
  • B. Polarization
  • C. Interference
  • D. Diffraction
7 The fringe spacing increases if we use.
  • A. Yellow light
  • B. Green lgiht
  • C. Blue light
  • D. Red light
8 The centre of Newton's fringe is dark due to.
  • A. Destructive interference
  • B. Diffraction
  • C. Constructive interference
  • D. Polarization
9 Newton's rings are formed due to phenomenon of.
  • A. Interference
  • B. Dispersion
  • C. Diffraction
  • D. Polarization
10 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

Top Scorers of 11th Class Part 1 Physics Chapter 9 Test Online

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Farooq Rajpoot

Lahore17 - Mar - 2023

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Hamna Qaisar

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16/17
01 Mins 27 Sec
R

Rana Khalid Raza

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Rana Khalid Raza

Lahore15 - May - 2023

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Sultan Mehmood

Sargodha06 - Mar - 2023

15/17
22 Sec
F

Farooq Rajpoot

Lahore17 - Mar - 2023

15/17
23 Sec
A

Asbah Umber

Lahore14 - May - 2023

15/17
01 Mins 21 Sec
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Hamna Qaisar

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01 Mins 57 Sec
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Ali Raza

Lahore23 - May - 2023

15/17
02 Mins 21 Sec
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Uzair Bajwa

Lahore11 - Apr - 2023

15/17
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Sultan Mehmood

Sargodha06 - Mar - 2023

15/17
05 Mins 07 Sec
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Sultan Mehmood

Sargodha06 - Mar - 2023

14/17
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Sultan Mehmood

Sargodha06 - Mar - 2023

14/17
55 Sec
H

Hamna Qaisar

Lahore07 - Apr - 2023

14/17
01 Mins 42 Sec
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Bulandi Bulandi

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01 Mins 46 Sec

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