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

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

Question # 2

Which one of the following phenomenon cannot be explained by the wave theory of light ?

Question # 3

The contrast in the fringes in any interference pattern depends on

Question # 4

The apparent size of an object depends on the angle subtended but it at the eye. As the angle increases the size of the object

Question # 5

A spectrum which contains all wavelengths without any break is called

Question # 6

The light source in the transmitter can be either

Question # 7

All of the following statements are correct except

Question # 8

Michelson's interferometer is an instrument used to measure the distance with

Question # 9

Mirage is a phenomenon due to

Question # 10

Calculate the critical angle when core refractive index is 1.50 and cladding of refractive index 1.48

Question # 11

According to WH Bragg and WL Bragg monochromatic beam of X-rays was reflected form a crystal plane is like a

Question # 12

Michelson interferometer is based upon

Question # 13

If d = 0.25 cm   Y = 0.059 cm   L = 100 cm    m = 2 then λ is equal to

Question # 14

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

Question # 15

Ultra-violet rays differ from X-rays in that ultra - violet rays

Question # 16

A light wave produced by oscillating charge consists of a periodic variation of

Question # 17

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?

Question # 18

Polaroid glass is used in sun glasses because

Question # 19

Light appears to travel in straight line because

Question # 20

If the distance of a surface from light source is doubled,then the luminance will become

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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 Calculate the critical angle when core refractive index is 1.50 and cladding of refractive index 1.48
A. 70.3o
B. 80.9o
C. 80.6o
D. 89.6o
2 A ______ lens is used in the apparatus to get Newton,s rings
A. Plano-concave
B. Plano-convex
C. Convexo-concave
D. Double convex
3 Which one the following gives three regions of electromagnetic sepctrum in order of increasing wavelength?
A. Gamma rays, micro waves, visible light
B. Radio waves, ultraviolet waves, X-rays
C. Ultraviolet rays, Infrared rays, micro waves
D. Visible light, gamma rays, radio waves
4 Frequency of red colour as compared to that of violet colour is:
A. Equal
B. Smaller
C. Greater
D. None of these
5 When two light waves travelling in the same direction are out of phase at any point, their resultant amplitude
A. increases
B. decreases
C. remains unchanged
D. increases rapidly
6 If plane polarized light is incident on the second sheet of Polaroid, the light emitted is full light when their axes are
A. Parallel to each other
B. Perpendicular to each other
C. In between two positions
D. None of these
7 Certain light of wavelength 600 nm is used to view an object under the microscope. If the aperture of its objective is 1.22 cm, then the limiting angle of resolution will be
A. 6 x 10-5rad
B. 7 x 10-5rad
C. 8 x 10-5rad
D. None of these
8 The distance between the two adjacent slits is called
A. Thickness of the slit
B. Distance between and two slits
C. Grating element
D. None of these
9 The least distance of distinct vision changes with
A. Time
B. Health
C. illness
D. Age
10 In an interference pattern of Ypung's double Slit (YDS) experiment:
A. Bright fringes are wider than dark fringes
B. Dark fringes are wider than bright fringes
C. Both dark and bright fringes are of equal width
D. Central fringes are wider than the outer fringes

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