Class 12 Physics Chapter Wave Optics Free MCQ Test Quiz

Prepare for your Class 12 Physics exams with a Free Test Quiz on Wave Optics! ?? Enhance your knowledge with multiple-choice questions and answers provided by Physics Gurukul. #WaveOptics #Class12Physics #MCQPractice #PhysicsExamPrep #PhysicsGurukul

Check Class 12th Phys Wave Optics chapter knowledge

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12th Physics: Wave Optics

1 / 10

1. Instead of using two slits, if we use two separate identical sodium lamps in Young’s experiment, which of the following will occur?

General illumination

Widely separate interference

Very bright maxima

Very dark minima

2 / 10

2. Two plane wavefronts of light, one incident on a thin convex lens and another on the refracting face of a thin prism. After refraction at them, the emerging wavefronts respectively become

plane wavefront and plane wavefront

plane wavefront and spherical wavefront

spherical wavefront and plane wavefront

spherical wavefront and spherical wavefront

3 / 10

3. In Young’s double slit experiment, one slit is covered with red filter and another slit is covered by green filter, then interference pattern will be

red

green

yellow

invisible

4 / 10

4. The fringe width in a Young’s double slit experiment can be increased if we decrease

width of slits

separation of slits

wavelength of light used

distance between slits and screen

5 / 10

5. In Young’s Double slit experiment, if the distance between the slit and screen (D) is comparable with fringe width (B), the fringe pattern on screen will

strictly be a parabola

strictly be a hyperbola

be a elliptical

be a straight line

6 / 10

6. A plane wave passes through a convex lens. The geometrical shape of the wavefront that emerges is

plane

diverging spherical

converging spherical

None of these

7 / 10

7. A diffraction pattern is obtained by using beam of red. light what will happen, if red light is replced by the blue light?

Bands disappear.

Bands become broader and farther apart.

No change will take place.

Diffraction bands become narrow and crowded together.

8 / 10

8. In the propagation of electromagnetic waves, the angle between the direction of propagation and plane of polarisation is

0º

45º

90º

180º

9 / 10

9. If Young’s double slit experiment is performed in water keeping the rest of the set-up same, the fringes will

increase in width

decrease in width

remain unchanged

not be formed

10 / 10

10. The condition for observing Fraunhoffer diffraction from a single slit is that the light wavefront incident on the slit should be

spherical

cylindrical

plane

elliptical

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Chapter wise quiz of XII class physics

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FAQ of Quiz for Class 12 ch10

Remember, mastering Wave Optics is crucial for acing your Class 12 Physics exams, and Physics Gurukul’s Free Test Quiz is the perfect tool to enhance your understanding and boost your exam preparation. #PhysicsQuiz #WaveOpticsFAQ #PhysicsExamPreparation

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Mohit Sinha

I’m Mohit Sinha! With a Master’s degree in Physics, I bring a deep understanding of the subject to my teaching. I specialize in guiding students through the complexities of Physics for 11th and 12th grades and also offer English instruction from 1st to 12th grade. When I'm not in the classroom, I'm passionate about creating engaging educational content for QuizRanker.org, where I help make learning both fun and effective.

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