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

If N is the number of rulings on the grating, then the resolving power in the mth order diffraction equals to

Question # 2

How is the interference pattern in Young's double slit experiment affected if the sodium light is replaced by red light of the same intensity

Question # 3

The property of bending of light around the obstacle is known is

Question # 4

Electromagnetic waves from a source were found to be significantly diffracted when passing through gaps of the order of 10 m. What type of waves are they likely to be?

Question # 5

The image formed by an eyepiece of compound microscope is

Question # 6

In case of destructive interference of two waves, the amplitude of the resultant wave will be_______either of the waves:

Question # 7

Phase change of 180° is equivalent to a path difference of

Question # 8

The fringe spacing in case of red light

Question # 9

A prism splits a beam of white light into seven component colors. This is so because

Question # 10

The least distance of he distinct vision is

Question # 11

The wave nature of light was proposed by

Question # 12

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

Question # 13

The light signals are sent from the source

Question # 14

Huygen principle is used to determine:

Question # 15

The typical example/examples of optically active crystals

Question # 16

When a ray of light enters a denser medium from a rarer medium,its:

Question # 17

For a system to transmit thousands of telephones conversations, several television programs and numerous data signals, it need the following number so threads of optical fibre

Question # 18

For which color of light the refractive index of glass is larger

Question # 19

Due to Plano convex lens and the plane glass plate the thickness of air film changes from the center to outward

Question # 20

Light appears to travel in straight line because

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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 A fly is sitting on the objective of a telescope pointed towards the moons what effect is impacted in a photograph of the moon taken through the telescope
A. The entire field of vision is blocked
B. There is image of the fly on the photograph
C. There is no effect at all
D. There is the reduction in intensity of the image
2 A light wave produced by oscillating charge consists of a periodic variation of
A. electric field
B. magnetic field
C. either of them
D. both of them
3 Newton's rings are:
A. Rectangular
B. Spherical
C. Concentric circles
D. None of these
4 The speed of the secondary wavelets as mentioned in Huygen's principle is ________ the speed of propagation of the wave itself
A. Equal to
B. Greater than
C. Smaller than
D. None of these
5 If the red light is replaced by blue light illuminating the object in a microscope the resolving power of the microscope
A. Decreases
B. Increases
C. Gets halved
D. Remains unchanged
6 A driver in a lake wants to signal his distress to a person sitting on the edge of the lake flashing his water proof torch He should direct the beam
A. Vertically up wards
B. Horizontally
C. At angle to the vertical which is slightly less than the critical angle
D. At an angle to the vertical which is slightly more than critical angle
7 The resolving power of telescope depends on
A. Focal length of eye lens
B. Focal length of objective lens
C. Length of the telescope
D. Diameter of he objective lens
8 Signal from a remote control to the device operated by it travels with the speed of:
A. Sound
B. Light
C. Ultrasonics
D. Supersonics
9 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
10 The light source used in multimode step index fibre is
A. A monochromatic source
B. Red light
C. White light
D. None of these

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