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

If the focal of a convex lens is 5 cm then to get real and inverted image of the same size as that of object, the object should be placed at

Question # 2

When a plane polarized light is passed through certain crystals they

Question # 3

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?

Question # 4

The critical angle for a ray of light suffering total internal reflection will be smallest for the ray traveling from

Question # 5

The light from the sun reaches to earth with wavefronts

Question # 6

The laser light used in an optical fiber system has a wavelength equal to

Question # 7

According to the relation for constructive destructive interference, the point of contact has zero thickness of air so it should have

Question # 8

Such a surface on which all the points have the same phase of vibration is known as

Question # 9

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

Question # 10

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

Question # 11

In case of destructive interference of two waves, the amplitude of the resultant wave will be ______ either of the waves

Question # 12

A completely transparent material will be invisible in vacuum when the refractive index n is

Question # 13

Let a ray of light enters from air into two media of different refractive indices. The speed of light will be ______ to refractive index

Question # 14

Which of the following colors will have minimum critical angle when light passes from glass to air

Question # 15

According to WH Bragg and WL Bragg monochromatic beam of X-rays was reflected form a crystal plane is like a

Question # 16

If the angle of refraction is 90o, for which the angle of incidence is called

Question # 17

The reflected light is

Question # 18

Spectrometer can measure quite accurately prism

Question # 19

For interference to occur the two light waves should be:

Question # 20

An object is placed at a distance of 200 cm from a convex lens of focal length 10 cm the linear magnification is

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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 distance between the two mirrors can be varied by
A. Moving glass plate
B. Movable mirror
C. Compensator plate
D. None of these
2 The object is placed at the principle focus of a simple microscope if the focal length of the lens is 2cm what is the magnifying power of the microscope
A. 13.5
B. 12.5
C. Infinity
D. None of these
3 A telescope is rotatable about the same vertical axis as the turntable, with a scale which is
A. Main scale
B. Vernier scale
C. Half degree scale
D. None of these
4 Colours seen on oily water surface by the incident white light is due to
A. Diffraction
B. Interference
C. Refraction
D. Reflection
5 Soap bubble looks colored due to
A. Dispersion
B. Reflection
C. Interference
D. Any one of these
6 For the monochromatic beam of X-rays, the crystal planes in a lattice act like a
A. perfect absorbers
B. boundary
C. mirror
D. none of them
7 A simple telescope is consists of
A. One convex lens
B. Two convex lenses
C. Three convex lenses
D. None of these
8 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
A. Angular magnification
B. Resolution
C. Magnification
D. None of these
9 The function of colimator is
A. To converge the incoming rays
B. To make the parallel rays from source
C. In which the source of light is kept
D. None of these
10 Spectrometer can be used to
A. Measure wave length of light
B. Measure refractive index of the materials
C. Study spectra of light
D. All

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