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

Newton's rings are:

Question # 2

Michelson,s interferometer can be used to measure

Question # 3

Single mode step index fibre has feature/s like

Question # 4

A fly is sitting on the objective of a telescope pointed towards the moons what effect is impacted in a photograph of the moon taken through the telescope

Question # 5

The normal human eye can focus a sharp image of an object located anywhere form infinity to a certain point called

Question # 6

In the thin film, the path difference between the two reflecting waves depends upon

Question # 7

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

Question # 8

A _____ lens is used in the apparatus to get newton's ring:

Question # 9

The image of the tip of a needle is never sharp because of

Question # 10

At what distance should a book be placed from a 50 Cd bulb so that the luminance on the book becomes 2 Im m-2

Question # 11

The reflected light is

Question # 12

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

Question # 13

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

Question # 14

When observed by transmitted light, the central band of newton's ring system consists of:

Question # 15

A pulse of light in the optical fibres represents the number

Question # 16

Ordinary light has components of vibrations in

Question # 17

The distance between the centres of two consecutive bright fringes (or dark fringes) is called

Question # 18

A lens of 2 cm focal length is to be used as a magnifying glass. Its magnification is

Question # 19

The regular array of atoms in a crystal has spacing of the order of

Question # 20

Which of the following types of optical fibre has a very thin core of about 5μm diameter and has a relatively large cladding?

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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 velocity of light in vacuum can be changed by changing:
A. Frequency
B. Amplitude
C. Wavelength
D. None of these
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 At the point of contact of the lens and the glass plate, the incident and reflected rays interfere
A. constructively
B. destructively
C. either of them
D. none of them
4 When an image is placed at the focal length of the eye piece, the final image formed at
A. 2 F
B. 4 F
C. 6 F
D. Infinity
5 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
6 A planet is observed by an astronomical refracting telescope having an objective of focal length 16 m and an eyepiece of focal length 2 cm.
A. The distance between the objective and the eyepiece is 8m
B. The angular magnification of the planet is 200
C. The image of the planet is inverted
D. The objective is smaller than the eyepiece
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 The direction of a ray of light is.......to the wave front.
A. Parallel
B. Equal
C. Opposite
D. Perpendicular
9 A completely transparent material will be invisible in vacuum when the refractive index n is
A. Unity
B. More than unity
C. Less than unity
D. Equal to 1.33
10 If the focal length of objective is 10 mm find its magnification
A. 18
B. 19
C. 20
D. 21

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