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 critical angle for a ray of light suffering total internal reflection will be smallest for the ray traveling from

Question # 2

Single mode step index fibre has feature/s like

Question # 3

In an interference fringes pattern the fringes are

Question # 4

If the light travels in a straight line, the central region should appear

Question # 5

The ratio of fringes with for bright and dark fringes is

Question # 6

An object is placed between two parallel mirrors the number of images formed is

Question # 7

The tip of a needle does not give a sharp image it is due to

Question # 8

The speed of light in vacuum is 3 x 108 ms-1.Its speed in a medium of refractive index 1.5 will be

Question # 9

The least distance of distinct vision for a normal eye is

Question # 10

If the cover of a red book is observed in monochromatic blue light,It will appear

Question # 11

Single mode step index fibre has a very thin core of about diameter

Question # 12

The path difference involved in interference in thin films depends upon

Question # 13

A usual way to obtain a plane wave is to place point source of light at the focus of a

Question # 14

A typical diffraction grating has lines per centimeter is about

Question # 15

The speed of secondary wavelets as mentioned in Huygen's principle is______the speed of propagation of the wave itself:

Question # 16

If the slits in YDS experiment are made closer, fringe spacing will

Question # 17

The total magnification of a combination of two lenses having individual magnification M1 and M2 is

Question # 18

The concentration in solution can be determined by the property known as

Question # 19

Using a graded index fibres the time difference is reduced to about

Question # 20

In which of the optical fibres, the propagation of light signal is through continuous refraction?

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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 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
2 Multi-mode step index fibre index fibre is used to send
A. white light
B. green light
C. a strong monochromatic light
D. yellow light
3 In newton's rings apparatus, we also use:
A. Spectroscope
B. Telescope
C. Microscope
D. Any of these
4 The spacing between lines of diffraction grating is
A. Opaque
B. Transparent
C. Semi-transparent
D. None of these
5 The image formed after objective lens of an astronomical telescope is
A. Inverted
B. Diminished
C. Real
D. All of these
6 Angular magnification of a simple microscope is given as
7 The refractive index of a medium is defined as a ratio
8 The study of atomic structures of crystals by X-rays was started in
A. 1890
B. 1905
C. 1914
D. 1944
9 Propagation of light in an optical fiber requires that light should be
A. Refracted from air to fiber
B. Continuously refraction
C. Totally reflected within the fiber
D. Both B and C
10 Conditions for interference are that the two sources should be coherent and
A. At a far off distance
B. Close together
C. Coinciding
D. None of these

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