# Wave Optics CBSE Class 12 Physics MCQ Question with Answer Keys Solutions

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  Wave Optics CBSE Class 12 Physics MCQ Question with Answer Keys Solutions.

MCQ Questions for Class 12 Physics Chapter 10 Question No 11:

If source is at infinite distance then the wave font considered is:

Option A : Spherical

Option B : Cylindrical

Option C : Plane

Option D : Circular

Option C : Plane

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

In the young’s double site experiment, the intensity of the central maximum is observed to be l0. If one of the slits is covered, the intensity at the central maximum will become:

Option A : l0/2

Option B : l0/√2

Option C : l0/4

Option D : l0

Option C : l0/4

MCQ Questions for Class 12 Physics Chapter 10 Question No 13:

When unpolarised beam of light is incident on a glass slab, the reflected beam is found to be completely plane polarised. The angle between the reflected beam and the  transmitted beam is:

Option A : 300

Option B : 450

Option C : 600

Option D : 900

Option D : 900

MCQ Questions for Class 12 Physics Chapter 10 Question No 14:

By corpuscular theory of light, the phenomenon which can be explained is:

Option A : Refraction

Option B : Interference

Option C : Diffraction

Option D : Polarisaton

Option A : Refraction

MCQ Questions for Class 12 Physics Chapter 10 Question No 15:

According to corpuscular theory of light, the different colours of light are due to:

Option A : Different electromagnetic waves

Option B : Different force of attraction among the

Option C : Different size of the corpuscles

Option D : None of the above

Option C : Different size of the corpuscles

MCQ Questions for Class 12 Physics Chapter 10 Question No 16:

Huygen’s conception of secondary waves:

Option A : Allow us to find the focal length of a thick lens

Option B : Is a geometrical method to find a wave front

Option C : Is used to determine the velocity of light

Option D : Is used to explain polarization

Option B : Is a geometrical method to find a wave front

MCQ Questions for Class 12 Physics Chapter 10 Question No 17:

Two coherent sources of light can be obtained by:

Option A : Two different lamps

Option B : Two different lamps but of the same power

Option C : Two different lamps of same power and having the same colour

Option D : None of the above

Option D : None of the above

MCQ Questions for Class 12 Physics Chapter 10 Question No 18:

By Huygen’s wave theory of light, we cannot explain the phenomenon of:

Option A : Interference

Option B : Diffraction

Option C : Photoelectric effect

Option D : Polarisation

Option C : Photoelectric effect

MCQ Questions for Class 12 Physics Chapter 10 Question No 19:

Two coherent monochromatic light beams of intensities l and 4l are superposed. The maximum and minimum possible intensities in the resulting beam are:

Option A : 5l and l

Option B : 5l and 3l

Option C : 9l and l

Option D : 9l and 3l

Option C : 9l and l

MCQ Questions for Class 12 Physics Chapter 10 Question No 20:

By a monochromatic wave, we mean:

Option A : A single ray

Option B : A single ray of a single colour

Option C : Wave having a single wavelength

Option D : Many rays of a single colour

Option C : Wave having a single wavelength

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