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

Try The 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

According to the Huygen's principle, the secondary wavelets propagate in the forward direction with a speed equal to

Question # 2

The digital modulation is expressed in

Question # 3

To get higher magnification we must use

Question # 4

When seen in green light the saffron and green portions of our National Flag will appear to be

Question # 5

In case of point source of light, shape of wavefront is:

Question # 6

If tube length of astronomical telescope is 105 cm and magnifying power is 20 for normal setting calculate the focal length of objective

Question # 7

Which phenomenon of light takes place in Young's double-slit experiment?

Question # 8

In compound microscope magnification of objective is 2 and magnification of eyepiece is 4 magnification of compound microscope is

Question # 9

The medium in which speed of light is the same in all directions is called

Question # 10

The sky appears blue because

Question # 11

Conditions for interference are that the two sources should be coherent and:

Question # 12

The magnifying power of a compound microscope can be increased if we use objective lens of

Question # 13

To wavelength of light by his experiment , Newton utilized:

Question # 14

The laser light used in an optical fiber system has a wavelength equal to

Question # 15

Michelson's interferometer is an instrument that is capable of measuring distance with

Question # 16

A circular scale is attached and graduated in

Question # 17

Two sources of waves are called coherent if

Question # 18

2 d sin θ = nλ can be used to determine the

Question # 19

The setting of Newton's rings is

Question # 20

In an interference pattern of Ypung's double Slit (YDS) experiment:

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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 Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 The cause of mirage observed in desert is
A. Refraction
B. Reflection
C. Scattering
D. Total internal reflection
2 In Micheal sons interfrometes apparatus the numbers of mirrors and glas plates are used respectively ara
A. 2,2
B. 2,3
C. 3,2
D. 3,3
3 Star twinkle due to
A. The fact that they do not emit light continously
B. The refractive index of earth's atmosphere fluntuates
C. The star's atmosphere absorbs its light intermittently
D. None of these
4 The wavelength of X-rays is about
A. 10-14m
B. 10-10m
C. 10-6m
D. 10-4m
5 Resolving power of a telescope depends on:
A. The magnification of eyepiece
B. The focal length of objective lens
C. Diameter of objective lens
D. Refractive index of objective lens
6 Michelson's interferometer is an instrument that is capable of measuring distance with
A. low precision
B. high precision
C. extremely high precision
D. extremely low precision
7 If the cover of a red book is observed in monochromatic blue light,It will appear
A. White
B. Red
C. Black
D. Blue
8 Near and far points of a healthy human eye respectively are
A. 0 and 25 cm
B. 0 and infinity
C. 25 cm and 100 cm
D. 25 cm and infinity
9 In case of diffraction grating, unit of grating element is:
A. Centimeter
B. Kilometer
C. As that of g
D. as that of angle
10 Using a graded index fibres the time difference is reduced to about
A. 0.5 ns per km
B. 1.0 ns per km
C. 2.0 ns per km
D. 2.3 ns per km

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