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

Which of the following cannot be polarized?

Question # 2

Light is a type of energy which produces sensation of

Question # 3

If light of low wavelength is used in Young's double slit experiment then width of the fine will

Question # 4

Light appears to travels in straight lines since

Question # 5

When a movable mirror moves λ/4 distance and the light used is 400 nm, then the distance measured highly precise is

Question # 6

A line which represents the direction of travel of a wave is known as:

Question # 7

In Michelsons interference the movable mirror is moved and a shift of two fringes is observed then the distance moved by the mirror is

Question # 8

The range of the diameter of core in multimode graded index fibre is

Question # 9

The idea of light as wave produced by

Question # 10

In multimode graded index fibre core and cladding has boundary

Question # 11

The optical resolution of microscope or a telescope tells us how close together, the two point sources of light can be so that they are still seen as two separate sources

Question # 12

The speed of light in a medium of refractive index 1.5 is

Question # 13

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

Question # 14

Identify the incorrect statement

Question # 15

The light signal in graded index fibre is totally confined due to

Question # 16

Layer of oil on water in sunlight appears coloured due to

Question # 17

The twinkling of stars is due to

Question # 18

The danger signals are red while the eye is more sensitive to yellow because

Question # 19

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

Question # 20

Fiber optics also used to transmit light

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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 Which type of fibre is used to send the signals of long distances?
A. single mode step index fibre
B. multimode step index fibre
C. multimode graded index fibre
D. all of them
2 Michelson,s interferometer can be used to measure
A. Wavelength of light
B. Intensity of light
C. Amplitude of wave
D. None of these
3 If the power of a lens is 4 diopters then is focal length is
A. 20 cm
B. 25 cm
C. 50 cm
D. 400 cm
4 The wavefront formed at very large distance from the source is:
A. Cylindrical
B. Spherical
C. Elliptical
D. Plane
5 Wavelength of red color as compared to that of violet color is
A. Smaller
B. Longer
C. Equal
D. None of these
6 In the formulaαamino = 1.22λ/D, D denotes
A. Distance between source and the object
B. Diameter of lens
C. Power of the lens in Diopters
D. None of these
7 The variation if focal length of a lens when we pass from the central portion out words (to words the lens edges) is known as
A. Astigmatism
B. Chromatic
C. Spherical aberration
D. Coma
8 Two sources of waves are called coherent if
A. Both have the same amplitude of vibrations
B. Both produce waves of the same wavelength
C. Both produce waves of the same wavelength having a constant phase difference
D. Both produce waves having the same velocity
9 The resolution of microscope depends on objective's
A. Focal length
B. Material
C. Diameter
D. None of these
10 If tube length of astronomical telescope is 105 cm and magnifying power is 20 for normal setting calculate the focal length of objective
A. 100 cm
B. 10 cm
C. 20 cm
D. 25 cm

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