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 frequency of light ray is 6 x 1014 Hz. The frequency when it propagates in a medium of refractive index 1.5 will be

Question # 2

Which of the following is not an application of polarization

Question # 3

In Young's double slit experiment, the fringe width depends on

Question # 4

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

Question # 5

Sun has elliptical shape when it rises and sets due to

Question # 6

The light form Sun reaches earth in the form of

Question # 7

If 5000 lines/cm are ruled on a diffraction grating, the element is:

Question # 8

The minimum distance between a source and the screen for which a real image is possible with a convex lens is

Question # 9

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 # 10

A plane wavefront is that which has source

Question # 11

Fiber optics also used to transmit light

Question # 12

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

Question # 13

The magnifying power of a simple microscope can be increased if we use eye piece of

Question # 14

The speed of light in a medium depends upon

Question # 15

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

Question # 16

According to Huygen's principle:

Question # 17

Which one of the following waves cannot be polarized

Question # 18

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

Question # 19

Light signals in an optical fibre eventually become dim and must be regenerated by devices called

Question # 20

The bottom of a container filled with liquid appear slightly raised 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 Ordinary light has components of vibrations in
A. one direction only
B. two directions
C. four directions
D. all directions
2 When the source of light is at very large distance, the shape of wavefront is:
A. Spherical
B. Cylindrical
C. Plane
D. None of these
3 Reflection of light from water, glass, snow and rough road surfaces, for larger angle of incidences, produces
A. images
B. bright images
C. interference
D. glare
4 The property of bending of light around obstacies is called
A. interference
B. reflection
C. diffraction
D. polarization
5 A diffraction grating of length 2cm has 4000 lines The grating element is
A. 0.5 x 10-2 cm
B. 5 x 104
C. 5 x 10-4
D. 0.5 x 10-4 cm
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 Optical fibres function on the principle of
A. reflection
B. refraction
C. total internal reflection
D. total internal refraction
8 Optical device used in spectrometer
A. Simple microscope
B. Compound microscope
C. Telescope
D. Any of them
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 Propagation of light in an optical fibre requires
A. Total internal reflection
B. Continuous refraction
C. Both
D. None of these

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