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

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MDCAT Physics Chapter 7 Light Online Test

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Question # 1

The ultra-purity of optical fibre is

Question # 2

Which Phenomenon proves that nature of light is transverse

Question # 3

The ratio of fringes with for bright and dark fringes is

Question # 4

Propagation of light in an optical fibre requires that the light should

Question # 5

Which of the following colors will have minimum critical angle when light passes from glass to air

Question # 6

The power loss can also take place due to

Question # 7

Multi-mode step index fibre index fibre is used to send

Question # 8

Maximum number of orders available with a grating is ______ grating element

Question # 9

Which type of optical fiber has the largest diameter

Question # 10

The transmitter in optical fiber system contains a device called

Question # 11

The terms phase difference and path difference are:

Question # 12

Light of wavelength 800 n m is incident on a pair of slits, forming fringes 4.0 mm apart on a screen. What is the fringe when light of 400 nm is used and the slit separation is halved?

Question # 13

Conditions for interference are that the two sources should be coherent and:

Question # 14

An optical fibre with its protective case may be typically

Question # 15

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

Question # 16

The cause of mirage observed in desert is

Question # 17

The function of compensator plate in interferometer is to

Question # 18

Snell's Law is defined as

Question # 19

Angular magnification of a simple microscope is given as

Question # 20

Huygen's principle states that:

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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 Characteristics of optic fibre is/are
A. Much thineer
B. Light weight
C. Extremely wide bandwidth
D. All of these
2 The bright fringes are termed as
A. minimum
B. maximum
C. bright spots
D. dark spots
3 There will be no change in _______ of light entering glass
A. Velocity
B. Frequency
C. Direction
D. Wavelength
4 X-ray diffraction has been very useful in determining structure of
A. Hemoglobin
B. Double helix structure of DNA
C. Blood speed
D. a and b
5 When a light signal travels along the length of the optical fibre, the power lost by it is due to
A. Reflection
B. Refraction
C. Seattering and absorption
D. Diffraction
6 The distance between the top adjacent slits on diffraction grating is called
A. element
B. grating element
C. aperture
D. slit
7 The points on a Huygen's wave front which sends out secondary wavelets are also
A. Source
B. Source of secondary wavelets
C. Coherent sources of light
D. None of these
8 X-rays interact with
A. solid crystal
B. atoms in the crystal
C. nuclei of atoms in the crystal
D. electrons of atoms in the crystal
9 Wavelength of X-rays falling at a glancing angle of 30° on a crystal with atomic spacing 2 x 10-10m for first order diffraction is
A. 4 x 10-10m
B. 2 x 10-10m
C. 0.2 x 10-10m
D. 20 x 10-10m
10 Two lenses of power +12 and -2 diopters are placed in contact the power of combination is
A. 10 diopters
B. 8 diopters
C. 6 diopters
D. 12 diopters

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