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

How many fringes will pass a reference point if the moveable mirror of a Michelson s interferometer is moved 0.06 mm The wavelength of light used is 5.89 x10-3 mm

Question # 2

In Newton's rings the point of contact of the lens and the glass plate, the air film is

Question # 3

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

Question # 4

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 # 5

If the moveable mirror in Michelsion's interferometer moves a distanceλ/2, the path difference changes by

Question # 6

In digital modulation, the LED or laser flashed on and off at a

Question # 7

An object is placed at a distance of f/2 from a convex lens.The Image will be

Question # 8

In Bragg's formula, the path difference should beam integral multiple of the wavelengths

Question # 9

In which mode, the refractive index steps down form 1.52 to 1.48 at the boundary with the cladding?

Question # 10

Fringe spacing ΔY is the distance between two adjacent bring fringes on the screen is

Question # 11

Diffraction is concerned with the superposition of

Question # 12

The property of light which does not change with the nature of the medium is

Question # 13

Light appears to travel in straight line because

Question # 14

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

Question # 15

The cause of power loss in optic fibre is

Question # 16

A spectrum which contains all wavelengths without any break is called

Question # 17

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

Question # 18

A spectrometer is used to find

Question # 19

An optical fiber carries data in the form

Question # 20

If the magnification M1 = 20.0 for objective and M2 = 12.0 then total magnification is

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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 For interference to occur,the interfering beams of light must be
A. Of different frequencies
B. Coherent
C. White light
D. Added
2 We can divide the optical fibres on the basis of the mode by which they propagate light in
A. two types
B. three types
C. four types
D. many types
3 In a spectrometer experiment monochromatic light is incident normally on a diffraction grating having 4.5 x 105 lines per meter.The second order line is seen at an angle of 30 to the normal what is the wavelength of the light?
A. 200 nm
B. 430 nm
C. 500 nm
D. 556 nm
4 Light appears to travels in straight lines since
A. It is not absorbed by the atmosphere
B. It is reflected by the atmosphere
C. Its wavelength is very small
D. Its velocity is very large
5 Light traveling through vacuum enters water which characteristic of light does not charge
A. Velocity
B. Frequency
C. Wavelength
D. Amplitude
6 Diffraction is concerned with the superposition of
A. very large number of secondary wavelets
B. a few secondary wavelets
C. two secondary wavelets
D. no secondary
7 When interference of light takes place
A. Energy is created in the region of maximum intensity
B. Energy is destroyed in region of maximum intensity
C. Conservation of energy hold goods and energy is redistributed
D. Conservation of energy does not hold good
8 The phenomenon of blending of around edges of an obstacle is called:
A. Interfarance
B. Defraction
C. Polorisation
D. None of above
9 In a astronomical telescope the final image for normal vision is formed at
A. The focal of the eye piece
B. The least distance of the distinct vision
C. The focus of the objective lens
D. Infinity
10 Which of the following phenomenon cannot take place if we consider light as longitudinal wave?
A. diffraction
B. interference
C. polarization
D. reflection

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