# MCQ Questions for Class 12 Physics Chapter 10 Wave Optics with Answer Keys

If you are preparing for CBSE Class 12 Board Exam Term 1 which will be an objective type questions paper, then you need to practice multiple choice questions of Class 12 Physics Chapterwise. In this article of AKVTutorials, you will get MCQ Questions for Class 12 Physics Chapter 10 Wave Optics with Answer Keys.

MCQ Questions for Class 12 Physics Chapter 10 Question No 1:

Which one of the following cannot be polarized

Option A : X rays

Option B : Y rays

Option D : Sound waves

Option D : Sound waves

MCQ Questions for Class 12 Physics Chapter 10 Question No 2:

An unpolarized light is incident onto a medium of refractive index √3 polarising angle of the medium then the angle of the medium then the angle of refraction is:

Option A : 300

Option B : 450

Option C : 600

Option D : 900

Option A : 300

MCQ Questions for Class 12 Physics Chapter 10 Question No 3:

In the interference pattern, energy is:

Option A : Created at the position of maxima

Option B : Destroyed at the position of maxima

Option C : Conserved but is redistributed

Option D : None of the above

Option C : Conserved but is redistributed

MCQ Questions for Class 12 Physics Chapter 10 Question No 4:

In young’s double slit experiment, if the slit widths are in the ratio 1:9, then the ratio of the intensity at minima to that at maxima will be:

Option A : 1

Option B : 1/9

Option C : 1/4

Option D : 1/3

Option C : 1/4

MCQ Questions for Class 12 Physics Chapter 10 Question No 5:

In young’s double slit interference experiment, the slit separation is made 3 fold. The fringe width becomes:

Option A : 1

Option B : 1/9

Option C : 1/4

Option D : 1/3

Option D : 1/3

MCQ Questions for Class 12 Physics Chapter 10 Question No 6:

In a certain double slit experimental arrangement interference fringes of width 1.0 mm each are observed when light of wavelength 5000 A is used. Keeping the set up unaltered, if the source is replaced by another source of wavelength 6000 A, the fringe width will be:

Option A : 0.5 mm

Option B : 1.0 mm

Option C : 1.2 mm

Option D : 1.5 mm

Option C : 1.2 mm

MCQ Questions for Class 12 Physics Chapter 10 Question No 7:

In the young’s double slit experiment, the ratio of intensities of bright and dark fringes is 9:1. The ratio of amplitudes of two waves will be:

Option A : 2:1

Option B : 4:1

Option C : 3:1

Option D : None of these-

Option A : 2:1

MCQ Questions for Class 12 Physics Chapter 10 Question No 8:

Young’s experiment is performed in air and then performed in water, the fringe width

Option A : Will remain same

Option B : Will decrease

Option C : Will increase

Option D : Will be infinite

Option B : Will decrease

MCQ Questions for Class 12 Physics Chapter 10 Question No 9:

In double slits experiment for light of which colour the fringe will be

Option A : Violet

Option B : Red

Option C : Green

Option D : Yellow

Option A : Violet

MCQ Questions for Class 12 Physics Chapter 10 Question No 10:

Two laser of the same wavelength and intensities 9l and l are superposed. The minimum and maximum intensities of the resultant beams are

Option A : 8l and 10l

Option B : 0 and 10l

Option C : 4l and 16l

Option D : 0 and 16l

Option C : 4l and 16l

CBSE Class 12 Physics Chapterwise MCQ
1 : Electric Charge & Fields MCQs
| 1 to 10 | 11 to 20
2 : Electrostatics Potential and Capacitance MCQs
| 1 to 10 | 11 to 20
3 : Current Electricity MCQs
| 1 to 10 | 11 to 20
4 : Moving charges and Magnetism MCQs
| 1 to 10 | 11 to 20
5 : Magnetism and Matter MCQs
| 1 to 10 | 11 to 20
6 : Electromagnetic Induction MCQs
| 1 to 10 | 11 to 20
7 : Alternating Current MCQs
| 1 to 10 | 11 to 20
8 : Electromagnetic Waves MCQs
| 1 to 10 | 11 to 20
9 : Ray Optics and Optical Instruments MCQs
| 1 to 10 | 11 to 20
10 : Wave Optics MCQs
| 1 to 10 | 11 to 20
11 : Dual Nature of Radiation MCQs
| 1 to 10 | 11 to 20
12 : Atoms MCQs
| 1 to 10 | 11 to 20
13 : Nuclei MCQs
| 1 to 10 | 11 to 20
14 : Semi Conductor Electronics MCQs
| 1 to 10 | 11 to 20
15 : Communication Systems MCQs
| 1 to 10 | 11 to 20