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 light source used in multimode step index fibre is

Question # 2

The speed of light in a medium of refractive index 1.5 is

Question # 3

When the length of a microscope tube increases its magnifying power

Question # 4

The regular array of atoms in a crystal has spacing of the order of

Question # 5

Michelson's interferometer is an instrument used to measure the distance with

Question # 6

Which of the following colors will have minimum critical angle when light passes from glass to air

Question # 7

The brilliance of diamond is

Question # 8

The final image obtained by astronomical telescope is

Question # 9

Which of the following theories of light are explained by the Young's double slit experiment?

Question # 10

Inverse square law for luminace is valid for

Question # 11

When observed by transmitted light, the central band of newton's ring system consists of:

Question # 12

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

Question # 13

The materials which are used in selective absorption method to polarize the light are

Question # 14

The danger signals are red while the eye is more sensitive to yellow because

Question # 15

If the path difference must be an integral multiple of wavelength

Question # 16

Fraunhofer spectrum is a

Question # 17

With tremendous information carrying capacity is called

Question # 18

The fiber of which refractive index ______ gradually as move from central core to its periphery is called ______ index fiber

Question # 19

For total internal reflection to take place, the angle of incidence must be ______ than critical angle and the light should travel from ______ to ______ medium

Question # 20

Power loss taken place when a light signal travels along fibres by

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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 the formulaαamino = 1.22λ/D, D denotes
A. Distance between source and the object
B. Diameter of lens
C. Power of the lens in Diopters
D. None of these
2 Angle between ray of light and the corresponding wave front is
A. 10°
B. 60°
C. 90°
D. 120°
3 An object is placed between the focus and the optical center of the convex lens. The image formed is
A. Real, erect and magnified
B. Virtual, inverted and magnified
C. Virtual, erect and diminished
D. Virtual, erect and magnified
4 The interference fringes are of
A. equal width
B. variable width
C. zero width
D. non-uniform width
5 When a ray of light enters a denser medium from a rarer medium,its:
A. Wavelength increases
B. Velocity increases
C. Frequency decreases
D. Wavelength decreases
6 The magnification is negative for
A. Real image
B. Virtual image
C. Sometimes for real sometimes for real
D. Only for cancave lens
7 Proportion of light in an optical fibre requires that the light-should be within the fibre
A. Very little confined
B. Largely confined
C. Totally confined
D. None of these
8 The ratio of diameters of two convex lenses is ______ the ratio of their focal lengths
A. Greater than
B. Less than
C. Equal to
D. Square of
9 Conventionally, all the distances p, q, f, are measured from ______ of the lens
A. Focus
B. Optical center
C. Edges
D. Centre of curvature
10 The light source in the transmitter can be
A. semiconductor laser
B. LED
C. both of them
D. either of them

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