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 wave nature of light was proposed by

Question # 2

The wavelength of refractive wave in a denser medium is

Question # 3

Turn table is the plateform over which we place

Question # 4

For obtaining equal and same height mirror should be

Question # 5

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

Question # 6

Which phenomenon of light conclusively prove that light waves are transverse waves

Question # 7

Which one of the following phenomena is not explained by Huygen's construction of wavefront?

Question # 8

The lower refractive index the fibre core has

Question # 9

X-rays is a type of electron magnetic radiations of much shorter wavelengths of the order of

Question # 10

The function of compensator plate in interferometer is to

Question # 11

The wavelength of light is 6000°A, the number of waves continued in 0.01 m distance will be

Question # 12

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

Question # 13

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

Question # 14

Which of the following converts electrical signals into light signals?

Question # 15

Ordinary light has components of vibrations in all possible planes. Such light is

Question # 16

Albert A. Michelson devised interferometer is

Question # 17

Who gave the corpuscular nature of light

Question # 18

The light signal in an optical fibre requires that the light should

Question # 19

There will be no change in _______ of light entering glass

Question # 20

The relation d sinθ = nλ, where 'n' is the

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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 disadvantage of the step-index fibre can be reduced by
A. graded index fibre
B. non-graded index fibre
C. both of these
D. none of these
2 Reflection of light from water, glass, snow and rough road surfaces, for larger angle of incidences, produces
A. images
B. bright images
C. interference
D. glare
3 The bending of light when it passes from one medium to another is known as
A. Refraction
B. Interference
C. Polarization
D. Diffraction
4 Huygen's principle states that:
A. Light travels in straight line
B. Light has dual nature
C. Either of these
D. None of these
5 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
6 The magnification of a compound microscope of object and eye piece of focal lengths f0and fe, respectively is
7 Light waves are:
A. Transverse waves
B. Longitudinal waves
C. Compressional waves
D. None of them
8 The diffraction grating is used to measure
A. wavelength of light
B. focal length of a lens
C. refractive index of prism
D. polarization of light
9 The regular array of atoms in a crystal has spacing of the order of
A. 10-16m
B. 10-14m
C. 10-10m
D. 10-6 m
10 A circular scale is attached and graduated in
A. One degree
B. 2 degrees
C. Half degree
D. None of these

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