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

  • Total Questions20

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MDCAT Physics Chapter 7 Light Online Test

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Question # 1

In the thin film, the path difference between the two reflecting waves depends upon

Question # 2

Angle subtended by any side of the eight-sided mirror at the center is

Question # 3

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

Question # 4

In compound microscope magnification of objective is 2 and magnification of eyepiece is 4 magnification of compound microscope is

Question # 5

With tremendous information carrying capacity is called

Question # 6

A fiber of 50μm diameter capable of carrying white light at ______ distances is called ______ index fiber

Question # 7

The object is placed at the principle focus of a simple microscope if the focal length of the lens is 2cm what is the magnifying power of the microscope

Question # 8

Soap bubble looks colored due to

Question # 9

Multimode step index fibre is useful for

Question # 10

The property of bending of light around obstacies is called

Question # 11

An optical fiber of ______ cm in diameter id equivalent to 7.62 cm diameter bundle of ______ wires to carry the same amount of signals

Question # 12

The plane of polarization is rotated many degrees when a thickness of such crystal is

Question # 13

Optical fibres are of

Question # 14

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 # 15

Propagation of light in an optical fiber requires that light should be

Question # 16

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

Question # 17

The distance between the concentric wavefronts is

Question # 18

Spherical aberration can be reduced by using

Question # 19

An object is placed between the focus and the optical center of the convex lens. The image formed is

Question # 20

What will be the colour of the sky as seen from the earth if there were no atmosphere ?

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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 The relation d sinθ = nλ, where 'n' is the
A. Number of bright fringes
B. Number of dark fringes
C. Order of the spectrum
D. None of these
2 In Bragg's formula, the path difference should beam integral multiple of the wavelengths
A. d sin θ = nλ
B. d sin 2θ = nλ
C. 2 d sin θ = nλ
D. None of these
3 The lower refractive index the fibre core has
A. 1.48
B. 1.40
C. 1.54
D. 1.42
4 Such type of fibre in which center core is of high refractive index and the layer over the central core is low refractive index is called
A. Step index fibre
B. Multi mode step index fibres
C. Multimode graded index fibre
D. None of these
5 In the thin film, the path difference of two reflected ray depends upon
A. Thickness of the film
B. Nature of the film
C. Angle of incidence
D. All of these
6 Whenever high magnification is desired
A. A telescope is used
B. A compound microscope is used
C. A microscope is used
D. None of these
7 When a movable mirror moves λ/4 distance and the light used is 400 nm, then the distance measured highly precise is
A. 100 nm
B. 10-4 nm
C. 10-6 nm
D. 10-5 mm
8 The minimum number of lenses used in compound microscope is
A. 1
B. 2
C. 3
D. 4
9 For the normal setting of a telescope
A. Only the object is at infinity
B. Only the final image is at infinity
C. Both the object and the final image is at infinity
D. Neither the object nor the final image has to be at infinity
10 The speed at which light travels within the material depends upon
A. Refractive index of medium
B. Wavelength
C. Frequency
D. Intensity

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