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 organic substances which shows optical rotation when they are in solution

Question # 2

When 'θ' is small then

Question # 3

With a graded index fibre, the overall time difference between all the wavelengths arrived at the other end may be about

Question # 4

The distance between the top adjacent slits on diffraction grating is called

Question # 5

Which one of the following is an optically active substance?

Question # 6

Who gave the idea of light as wave ?

Question # 7

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

Question # 8

The wave length of x-rays is of the order of

Question # 9

With tremendous information carrying capacity is called

Question # 10

The practical use of services by optic fiber is

Question # 11

In case of diffraction grating, unit of grating element is:

Question # 12

A spectrometer is used to find

Question # 13

Inverse square law for luminance is valid for

Question # 14

If the power of a lens is 4 diopters then is focal length is

Question # 15

Commercial polarizing material is

Question # 16

Which of the following radiation will be focused farthest from a convex lens

Question # 17

The ultra-purity of optical fibre is

Question # 18

Sky seems blue due to

Question # 19

Wave length of red colour as compared to that of violet colour is:

Question # 20

The wave nature of light was proposed by

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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 which of the optical fibres, the propagation of light signal is through continuous refraction?
A. multi-mode step index fibre
B. multi-mode graded index fibre
C. both of them
D. none of them
2 If the moveable mirror in Michelsion's interferometer moves a distanceλ/2, the path difference changes by
A. λ/4
B. λ/2
C. λ
D. 3/2λ
3 The colour of light is determined by is
A. Wavelength
B. Frequency
C. Velocity
D. Amplitude
4 The magnification of a simple microscope of focal length 5cm is
A. 3
B. 5
C. 6
D. 20
5 In Young's double slit experiment for the interference of light, the central region of the fringe system is
A. Bright
B. Dark
C. Bright and dark
D. None of these
6 Which phenomenon of light conclusively prove that light waves are transverse waves
A. Reflection
B. Diffraction
C. Interference
D. Polarization
7 Which of the following is an optically active material
A. Solution of cane sugar
B. Liquid nitrogen
C. Mercury
D. Polaroid
8 Sky seems blue due to
A. Diffraction
B. Polarization
C. Dispersion
D. Scattering
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 The diffraction is found to be prominent when the wavelength of light is
A. small as compared with the size of obstacle
B. large as compared with the size of obstacle
C. equal as compared with the size of obstacle
D. Very small as compared with the size of the obstacle

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