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 Which phenomenon of light proves that light waves are transverse in nature.
  • A. Refraction
  • B. Reflection
  • C. Diffraction
  • D. Polarization
2 If 'N' is number of lines rule don the grating having length 'L' then grating element 'd' is given by.
  • A. N/L
  • B. 2N/L
  • C. L/N
  • D. N/2L
3 In blue light is used as compare to red light then fringe spacing.
  • A. Increase
  • B. Decreases
  • C. Remain same
  • D. Becomes zero
4 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
5 Sound waves can not be
  • A. Reflected
  • B. Refracted
  • C. Polarized
  • D. Diffracted
6 Angle between ray of light and wave front is
  • A. 0 <sup>o</sup>
  • B. 60 <sup>o</sup>
  • C. 90 <sup>o</sup>
  • D. 120 <sup>o</sup>
7 Light waves emitted from a source spread in
  • A. Specific direction
  • B. All direction
  • C. Upward direction
  • D. None of these
8 Which of the following is evidence of wave nature of light
  • A. Interference
  • B. Diffraction
  • C. Polarization
  • D. All of these
9 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
10 Interplaner distance can be determined by
  • A. Newton's rings
  • B. Bragg's law
  • C. Diffraction pattern
  • D. Interferometer

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
S

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

16/17
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Neha Altaf

Lahore01 - Oct - 2024

16/17
03 Mins 51 Sec
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Muhammad Nausherwan Umar

Lahore27 - Sep - 2024

16/17
04 Mins 54 Sec
M

Minahil

Lahore26 - Aug - 2024

15/17
41 Sec
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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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