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

How many fringes will pass a reference point if the moveable mirror of a Michelson s interferometer is moved 0.06 mm The wavelength of light used is 5.89 x10-3 mm

Question # 2

In Young's double slit experiment,the separation between the slits is made 3 fold the fringe width becomes

Question # 3

In Young s double slit experiment the separation between the slits in halved and the distance between the slits and the screen is doubled the fringe with will

Question # 4

Michelson,s interferometer can be used to measure

Question # 5

Zero order image formed by the grating when the angle the along the direction of normal to grating is

Question # 6

Light has:

Question # 7

Michelesion's interferometer is an instrument usually used to measure

Question # 8

If the focal length of objective is 10 mm find its magnification

Question # 9

The regular array of atoms in a crystal forms a natural diffraction grating of spacing typically

Question # 10

Which type of fibre is used to send the signals of long distances?

Question # 11

In Michelsion's interoferometer, if the moveable mirror is moved through a distance 0.05 mm and 500 finges are observed, then the wavelength of light used is

Question # 12

Telescope is an optical device used for viewing

Question # 13

Multimode step index fibre has a core of relatively larger diameter such is

Question # 14

The light form Sun reaches earth in the form of

Question # 15

The fringes produced in Young's double slit experiment will be wider if the distance between the two slits is

Question # 16

The contrast in the fringes in an interference pattern depends upon

Question # 17

In Young's double slit experiment fringe width (or fringe spacing) depends

Question # 18

The frequency of light ray is 6 x 1014 Hz. The frequency when it propagates in a medium of refractive index 1.5 will be

Question # 19

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

Question # 20

In Michelsion's interferometer, if 'm' number of fringes are passed in front of a reference point when the moveable mirror is moved a distance L, then

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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 For incident angles equal or greater than the critical angle the glass air boundary will act as a
A. Convex mirror
B. Concave mirror
C. Mirror
D. None if them
2 Longitudinal waves do not exhibit
A. Refraction
B. Reflection
C. Diffraction
D. Polarization
3 The fringe spacing in case of blue light
A. Increases
B. Remains the same
C. Decreases
D. None of these
4 The experimental evidence in support of wave theory in Huygen's time was
A. not present
B. not convincing
C. convincing
D. none of them
5 Fraunhofer spectrum is a
A. Line absorption spectrum
B. Band absorption spectrum
C. Line emission spectrum
D. Band emission spectrum
6 The light from the sun reaches to earth with wavefronts
A. Spherical
B. Cylindrical
C. Plane
D. None of these
7 If f = 5 cm and d = 25 cm then the magnification will be
A. 2
B. 4
C. 5
D. 6
8 A fly is sitting on the objective of a telescope pointed towards the moon.What effect is expected on the photography of the moon taken through the telescope?
A. The entire field of view blocked
B. There is an image of the fly on the photography
C. There is no effect at all
D. There is a reduction in the intensity of the image
9 A ______ lens is used in the apparatus to get Newton,s rings
A. Plano-concave
B. Plano-convex
C. Convexo-concave
D. Double convex
10 If the bright fringe into be observed then we have relation
A. Y = mLd/λ
B. Y = mλL/d
C. Y = λd/mL
D. Y = λL/md

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