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

Monochromatic light means waves of:

Question # 2

The dichronic substances are used in the process getting plane polarized light

Question # 3

The magnifying power of a compound microscope can be increased if we use objective lens of

Question # 4

At points where the crest (or trough) of one wave coincides with the crest (or trough) of the other wave, the wave produces

Question # 5

The contrast in the fringes in an interference pattern depends upon

Question # 6

If Young s double slit experiment is immersed in water then the fringes with

Question # 7

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

Question # 8

Two sources of light are said to be coherent when the waves produced by them have

Question # 9

An optical instrument used to see very far off objects is called

Question # 10

The path difference involved in interference in thin films depends upon

Question # 11

Michelsion devised the Michelson's interferometer in

Question # 12

To wavelength of light by his experiment , Newton utilized:

Question # 13

If the focal length of the eye piece 25.0 mm find its magnification

Question # 14

Light appears to travel in straight line because

Question # 15

One angshom is equal to?

Question # 16

Geometrical optics cannot give following characteristics for a microscope

Question # 17

The distance between the two mirrors can be varied by

Question # 18

A shortsighted person can see clearly

Question # 19

In viewing the distant objects the angle subtended at the telescope is

Question # 20

Which characteristics of wave, established the Huygen's wave theory in 1801?

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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 compound microscope the focal length of eye piece is
A. Large
B. Small
C. Same as objective
D. None of these
2 Which phenomenon of light conclusively prove that light waves are transverse waves
A. Reflection
B. Diffraction
C. Interference
D. Polarization
3 The idea of Michelsion's interferometer is based on the
A. reflection of light
B. interference of light
C. refraction of light
D. all of them
4 The speed at which light travels within the material depends upon
A. Refractive index of medium
B. Wavelength
C. Frequency
D. Intensity
5 While viewing a distant object with a telescope suddenly a housefly sits on objective lens.The correct statement is that
A. Housefly will be seen enlarged in image
B. Housefly will be seen reduced in image
C. Intensity of image will be decreased
D. Intensity of image will be increased
6 When refractive index of core is 1.50 and of 1.48 of cadding then find the angle of entry for an optical fibre is
A. 11.2o
B. 14.2o
C. 15.4o
D. 13.6o
7 Plane microwaves are incident on a long slit having a width of 5 cm.The wavelength of the microwaves if the first minima is formed at 30° is
A. 25 cm
B. 5 cm
C. 2.5 cm
D. 5 mm
8 Which optical fibre is used for shorter distances only?
A. single mode step index fibre
B. multi-mode step index fibre
C. multi-mode graded index fibre
D. all of them
9 In Michelsion's interferometer the path difference is varied by moving
A. compensatory plate
B. moveable mirror
C. fixed mirror
D. telescope
10 In case of point source of light, shape of wavefront is:
A. Spherical
B. Cylindrical
C. Plane
D. None of these

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