MDCAT Physics Chapter 7 MCQ Test With Answer for (Light )

Many students feel anxious about how to prepare for the exam during the MDCAT preparation effectively. Solving MCQs is considered one of the best ways to analyze your preparation level before the commencement of the test. The students preparing for the MDCAT are informed that they can get the MCQs of chapter 7 of physics from this platform.

MCQ's Test For MDCAT Physics Chapter 7 Light Online Test

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MDCAT Physics Chapter 7 Light Online Test

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Question # 1

A telescope is rotatable about the same vertical axis as the turntable, with a scale which is

Question # 2

The idea of Michelsion's interferometer is based on the

Question # 3

In thin film colours are due to

Question # 4

By which principle we can locate the position of new wavefront after a later time?

Question # 5

The appearance of colours in the shape (or oil) film results from:

Question # 6

Speed of light in vacuum is

Question # 7

The cause of mirage observed in desert is

Question # 8

For the sustained interference of light the necessary condition is that the two sources should

Question # 9

Confining the light vibrations in one plane is called:

Question # 10

When crest of one wave coincides with the trough of the other wave, it give rise to

Question # 11

How many fringes will pass a reference point if the moveable mirror of a Michelson s interferometer is moved 0.06 mm The wavelength of light used is 5.89 x10-3 mm

Question # 12

A ______ lens is used in the apparatus to get Newton,s rings

Question # 13

The superposition of the two waves of same frequency and amplitude travelling in the same direction gives rise to an effect called:

Question # 14

X-ray diffraction has been very useful in determining structure of

Question # 15

The diffraction is found to be prominent when the wavelength of light is

Question # 16

A convex lens has focal length F.An object is placed at P then

Question # 17

If the incident light contains different wavelengths the images of each wavelength for a certain value is diffracted in the

Question # 18

At certain speed, the time taken by light in moving from M to m and back to M is equal to the time taken by

Question # 19

The bottom of a container filled with liquid appear slightly raised because of

Question # 20

The multi-mode step index optical fibre, the central core has

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The answers are also available here to facilitate the students' preparation. With continuous practice, the candidates will be able to get a good score on the entry test. So after preparing for the particular chapter, solve the MCQs and learn about your preparation. Spend maximum time to improve your weak areas and then ace the test with a good score. The students can also solve the other physics chapters' MCQs for better preparation.

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MCAT Class Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 The plane of polarization is rotated many degrees when a thickness of such crystal is
A. One millimeter
B. Less than one millimeter
C. A few millimeter
D. None of these
2 The phase difference between two points on a wave front will be
A. 0°
B. 4π
C. 2π
D. π/2
3 A diffraction pattern is obtained using a beam of red light What will happen if the red light is replaced by blue light?
A. No change
B. Diffraction bands become narrower and crowded together
C. Bands become broader and farther apart
D. Bands disappear
4 The frequency of light ray is 6 x 1014 Hz. The frequency when it propagates in a medium of refractive index 1.5 will be
A. 6 x 1014 Hz
B. 4 x 1014 Hz
C. 9 x 1014 Hz
D. 1.67 x 1014 Hz
5 A circular scale is attached and graduated in
A. One degree
B. 2 degrees
C. Half degree
D. None of these
6 Which one of the following waves cannot be polarized
A. Radio waves
B. X-rays
C. Transverse waves in a string
D. Longitudinal waves in a gas
7 In the study of interference and diffraction, we consider
A. plane waves
B. plane wavefronts
C. both of them
D. none of them
8 The advantage/advantages of fiber optics than radio wave carriers
A. Much wider band width
B. Capability
C. Immunity
D. All of these
9 A spectrum which contains all wavelengths without any break is called
A. Emission spectrum
B. Line spectrum
C. Continuous emission spectrum
D. All of them
10 A convex lens has focal length F.An object is placed at P then
A. Image is formed at + ∞ and is real
B. Image is formed at + ∞ and is virtual
C. Image is formed at + ∞ and is real
D. Image is formed at + and is virtual

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