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

Question # 2

To wavelength of light by his experiment , Newton utilized:

Question # 3

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

Question # 4

If the focal of a convex lens is 5 cm then to get real and inverted image of the same size as that of object, the object should be placed at

Question # 5

For a monochromatic light passing from air to glass, which one of the following statement is true?

Question # 6

The fringe spacing in case of red light

Question # 7

Which does not show polarization

Question # 8

How the fringe spacing varies as the separation of the slits increases

Question # 9

When two light waves travelling in the same direction are out of phase at any point, their resultant amplitude

Question # 10

An optical instrument used to see very far off objects is called

Question # 11

The cause of power loss in optic fibre is

Question # 12

The study of atomic structures of crystals by X-rays was started in

Question # 13

For glass-air boundary, the value of the critical angle is

Question # 14

Conventionally, all the distances p, q, f, are measured from ______ of the lens

Question # 15

If plane polarized light is incident on the second sheet of Polaroid, the light emitted is full light when their axes are

Question # 16

In newton's rings apparatus, we also use:

Question # 17

Sky seems blue due to

Question # 18

Multimode step index fibre is useful for

Question # 19

A wider objective and the use of blue light of short wavelength produces

Question # 20

According to Young s experiment the distance between two adjacent bright fringes of blue light is _____ than for oranges light

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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 compound microscope magnification of objective is 2 and magnification of eyepiece is 4 magnification of compound microscope is
A. 2
B. 6
C. 8
D. None
2 Which light travels faster in optical fibres?
A. visible light
B. ultraviolet
C. infra-red
D. any one of them
3 The spacing between lines of diffraction grating is
A. Opaque
B. Transparent
C. Semi-transparent
D. None of these
4 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
5 An object is placed at a distance 18 cm from a convex lens. The image is formed at a distance of 9 cm the focal length of the lens is
A. 6 cm
B. 9 cm
C. 10 cm
D. 18 cm
6 The fringe spacing in case of red light
A. Increases
B. Decreases
C. Remains the same
D. None of these
7 To demonstrate the phenomenon of interference we require two sources that emit radiation
A. Of same frequency
B. Different wavelength
C. Of the same frequency and having definite phase relationship
D. Of nearly the same frequency
8 In a never system, the repeaters are placed at about
A. 50 km
B. 75 km
C. 100 km
D. 125 km
9 Speed of light in vacuum is
A. 0 ms-1
B. 3 x 108ms-1
C. 1.5 x 108ms-1
D. None of these
10 Near and far points of a healthy human eye respectively are
A. 0 and 25 cm
B. 0 and infinity
C. 25 cm and 100 cm
D. 25 cm and infinity

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