Chapter 9 Physical Optics Physics 11th Class Punjab MCQ Tests
11th Class Physics Chapter 9 MCQ Tests
Chapter 9 of 11th Class Physics has 15 questions. If you take an online MCQ test, the system will randomly choose the questions. If you want to take the quiz by chapter then click the start test button.
Total Questions: 15
Total Marks: 15
Time: 15 Mins
Total Questions: 15
Total Marks: 15
Time: 15 Mins
15Min : 00 Sec Remaining
Question # 1
Which of the following is not optically active?
Question # 2
Monochromatic light of wavelength 600 nm is incident normally on an optical transmission grating of spacing 2.00 μ m . Calculate the number of diffraction beams which can be observed.
Question # 3
Light from the Sun reaches the Earth in which form?
Question # 4
Brewster angle is valid for which type of polarization?
Question # 5
What will be the geometrical shape of the wavefront when light is diverging from a point source?
Question # 6
What will be the geometrical shape of the wavefront if light is emerging out of a convex lens, when a point source is placed at its focus?
Question # 7
Why are radio waves polarized perfectly, but light is not completely polarized?
Question # 8
What is the ratio of refractive index of a medium 2 to that of a medium 1, when the Brewster angle is 60°?
Question # 9
What type of wavefront do we get at a very large distance from a point source?
Question # 10
What would happen in young's experiment if torch is used in place of monochromatic light?
Question # 11
What happens to the light reflected from a smooth surface of water?
Question # 12
In Young's double slit experiment, if the distance between the slits is halved, and distance between slit and screen is doubled, then what will be the change in fringe width?
Question # 13
What is the effect on the interference fringes in a Young's double slit experiment when the monochromatic source is replaced with white light, by keeping other variables constant?
Question # 14
What is the effect on the interference fringes in a Young's double slit experiment, when the monochromatic source is replaced by another source of shorter wavelength, by keeping other variables constant?
Question # 15
Which of the following is the usual way to obtain a plane wave?
Total Questions
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Question # 1
Which of the following is not optically active?
Question # 2
Monochromatic light of wavelength 600 nm is incident normally on an optical transmission grating of spacing 2.00 μ m . Calculate the number of diffraction beams which can be observed.
Question # 3
Light from the Sun reaches the Earth in which form?
Question # 4
Brewster angle is valid for which type of polarization?
Question # 5
What will be the geometrical shape of the wavefront when light is diverging from a point source?
Question # 6
What will be the geometrical shape of the wavefront if light is emerging out of a convex lens, when a point source is placed at its focus?
Question # 7
Why are radio waves polarized perfectly, but light is not completely polarized?
Question # 8
What is the ratio of refractive index of a medium 2 to that of a medium 1, when the Brewster angle is 60°?
Question # 9
What type of wavefront do we get at a very large distance from a point source?
Question # 10
What would happen in young's experiment if torch is used in place of monochromatic light?
Question # 11
What happens to the light reflected from a smooth surface of water?
Question # 12
In Young's double slit experiment, if the distance between the slits is halved, and distance between slit and screen is doubled, then what will be the change in fringe width?
Question # 13
What is the effect on the interference fringes in a Young's double slit experiment when the monochromatic source is replaced with white light, by keeping other variables constant?
Question # 14
What is the effect on the interference fringes in a Young's double slit experiment, when the monochromatic source is replaced by another source of shorter wavelength, by keeping other variables constant?
Question # 15
Which of the following is the usual way to obtain a plane wave?
Total Questions
123456789101112131415
Physics MCQ Test by Topics
- +9.1 Wavefronts
- +9.2 Huygens Principle
- +9.3 Interference of Light Waves
- +9.3 Conditions for Detectable Interference
- +9.4 Youngs Double Slit Experiment
- +9.5 Interference in Thin Films
- +9.6 Newtons Rings
- +9.7 Michelsons Interferometer
- +9.8 Diffraction of Light
- +9.9 Diffraction Due to a Narrow Slit
- +9.10 Diffraction Grating
- +9.11 Diffraction of X-Rays by Crystals
- +9.12 Polarization
- +9.12 Production and Detection of Plane Polarized Light
- +9.12 Optical Rotation
Physics
11th Class Online Classes 2026
Updated on: 22-05-2026
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