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

Try The 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

Multimode step index fibre has diameter as

Question # 2

In electromagnetic waves electric and magnetic field ar

Question # 3

Inverse square law for luminance is valid for

Question # 4

The total magnification of a combination of two lenses having individual magnification M1 and M2 is

Question # 5

The light produced by a laser is all the following except

Question # 6

Magnification of a convex lens is

Question # 7

The limit of which a microscope can be used to resolve details of an object, demands

Question # 8

Ordinary light has components of vibration in

Question # 9

In case of constructive interference of two waves, the amplitude of the resultant wave is_____either of the waves:

Question # 10

The image formed by an eyepiece of compound microscope is

Question # 11

In a spectrometer experiment monochromatic light is incident normally on a diffraction grating having 4.5 x 105 lines per meter.The second order line is seen at an angle of 30 to the normal what is the wavelength of the light?

Question # 12

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

Question # 13

If red light is incident on sea water it appears

Question # 14

An image formed by a concave lens is always

Question # 15

X-rays is a type of electron magnetic radiations of much shorter wavelengths of the order of

Question # 16

Which of the following spectrum have all the frequencies from high to low frequency range?

Question # 17

The interference fringes are of

Question # 18

Rainbow is formed due to combination of

Question # 19

Propagation of light in an optical fibre requires

Question # 20

When θ = 0 in relation d sinθ = λ, the path difference between the rays coming out from the slits of the grating will be zero. So the image in this directions 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 path difference involved in interference in thin films depends upon
A. Thickness and nature of thin films
B. Angular of incidence of light
C. Nature of media on both sides of thin film
D. All of these
2 Multimode step index fibre has diameter as
A. 40 μm
B. 50 μm
C. 60 μm
D. None of these
3 When observed by transmitted light, the central band of newton's ring system consists of:
A. Bright circular ring
B. Dark circular ring
C. May be bright or dark circular ring
D. No interference bands
4 If the plane polarized light is incident on the second sheet of Polaroid, no light is emitted when their axes are
A. Parallel to each other
B. Perpendicular to each other
C. In between two positions
D. None of these
5 For obtaining equal and same height mirror should be
A. Convex
B. Concave
C. Plane
D. None
6 According to Huygen's principle, every point of a wavefront may be considered as a source of
A. primary wavelets
B. secondary wavelets
C. either of them
D. both of them
7 Due to dispersion effects, white light source is useful for
A. Long distance
B. Short distance
C. Very long distances
D. None of these
8 Optically active substance are those substance which
A. Produce polarization of polarized light
B. Rotate the plane of polarization of polarized light
C. Produce double refraction
D. Both a and b
9 A beam of light of wavelength is incident normally on a grating of element d the angle between the zero-order and first -order spectra depends on
A. λ only
B. d only
C. λ and d
D. λ d and distance of screen from the grating
10 To observe diffraction phenomenon the size of a obstacle
A. Should be much larger than the wavelength
B. Should be of the same order as the wavelength
C. Have no relation of wavelength
D. Should be exactly λ/2

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