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

The speed at which light travels within the material depends upon

Question # 2

The advantage/advantages of fiber optics than radio wave carriers

Question # 3

The phenomenon is found to be prominent when size of the opening (aperture) is

Question # 4

The wavelength of refractive wave in a denser medium is

Question # 5

In thin film colours are due to

Question # 6

The resolution of microscope depends on objective's

Question # 7

Michelsion devised the Michelson's interferometer in

Question # 8

Two sources of waves are called coherent if

Question # 9

Identify the incorrect statement

Question # 10

Two monochromatic radiations X and Y are incident normally on a diffraction grating.The second order intensity maximum for X coincides with the third order intensity maximum for Y what is the ratio wavelength of X/wavelength of Y?

Question # 11

The spacing between the parallel lines are served as

Question # 12

If the moveable mirror in Michelsion's interferometer moves a distanceλ/2, the path difference changes by

Question # 13

According to Young s experiment if frequency of light used is halved then fringe width becomes

Question # 14

Finger prints on paper are identified by sprinkling fluorescent powder on it and observing it under

Question # 15

Huygen's principle is used to study the

Question # 16

X-rays is a type of electron magnetic radiations of much shorter wavelengths of the order of

Question # 17

The speed of light in other material is always

Question # 18

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

Question # 19

If the thickness of the film and angle of incidence are such that two reflected waves cancel each other the film will look

Question # 20

If a source of light is moving away from stationary observer then frequency of light wave appears to change because of

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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 In YDS experiment, if the distance between the slits and also the distance between slits and screen is doubled, the fringe width
A. Becomes doubled
B. Becomes 4 times
C. Is halved
D. Remains the same
2 Which one of the following can act approximately as a source of monochromatic light
A. Neon lamp
B. Fluorescent tube
C. Sodium lamp
D. none of these
3 The appearance of colours in the shape (or oil) film results from:
A. Dispersion
B. Interference
C. Reflection
D. Refraction
4 The materials which are used in selective absorption method to polarize the light are
A. chronic substances
B. organic substances
C. inorganic substances
D. diachronic substance
5 The least distance of distinct vision changes with
A. Time
B. Health
C. illness
D. Age
6 The light waves and radio waves differ in
A. Speed
B. Frequency
C. Wavelength
D. Both B and C
7 The range of the diameter of core in multimode graded index fibre is
A. 50 to 100 μm
B. 50 to 1000 μm
C. 50 to 1000 μm
D. None of these
8 Which does not show polarization
A. Longitudinal wave in gas
B. Transverse wave in gas
C. Both a and b
D. None of these
9 In an astronomical telescope is the objective has the focal length fo is
A. Small
B. Very small
C. Long
D. None of these
10 When a plane polarized light is passed through certain crystals they
A. Are totally absorbed
B. Are totally reflected
C. Rotate the plane of polarization
D. None of these

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