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

Proportion of light in an optical fibre requires that the light-should be within the fibre

Question # 2

Diffraction of light occurs, due to the interference between rays coming from the same wavefront of

Question # 3

Spectrum of sun consists of

Question # 4

The wave length of x-rays is of the order of

Question # 5

In electromagnetic waves electric and magnetic field ar

Question # 6

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

Question # 7

Spectrometer can measure quite accurately prism

Question # 8

The locus of all the points in the same phase of vibration is called:

Question # 9

Sunlight is also partially polarized because of Earth's atmosphere due to scattering by

Question # 10

A thin film is a transparent medium whose thickness is comparable with the wavelength of

Question # 11

To get higher magnification we must use

Question # 12

A point on the surface of the mirror where principle axis meets is called

Question # 13

In an astronomical telescope the eye piece has the focal length fe if

Question # 14

The contrast in the fringes in an interference pattern depends upon

Question # 15

A compound microscope is consists of objective of

Question # 16

In Newton's rings the thickness of air film at the point of contact is

Question # 17

If the power of a lens is 4 diopters then is focal length is

Question # 18

The central ring is bright in case of newton's ring produced by:

Question # 19

In single slit diffraction the condition for second minimum is

Question # 20

Which of the following phenomenon cannot take place if we consider light as longitudinal wave?

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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 Michelsion's interferometer the path difference is varied by moving
A. compensatory plate
B. moveable mirror
C. fixed mirror
D. telescope
2 The phase difference between two points on a wave front will be
A. 0°
B. 4π
C. 2π
D. π/2
3 In case of destructive interference of two waves, the amplitude of the resultant wave will be ______ either of the waves
A. Greater then
B. Smaller then
C. Equal to
D. None of these
4 An optical fiber of ______ cm in diameter id equivalent to 7.62 cm diameter bundle of ______ wires to carry the same amount of signals
A. 0.6, aluminum
B. 6.0, copper
C. 0.6, copper
D. 6.0, aluminum
5 In photo phone modulated beam of reflected sun light focused on a detector several hundred meters away with the divice
A. Germanium
B. Selinium
C. Silicon
D. None of these
6 Who proposed that light energy form a luminous source travels in space by means of wave motion?
A. Newton
B. Maxwell
C. Einstein
D. Huygen
7 The magnification of a compound microscope of object and eye piece of focal lengths f0and fe, respectively is
8 In Young's double slit experiment, the fringe width depends on
A. wavelength of the light used
B. distance between the slits and screen
C. distance between the slits
D. all of them
9 The ratio of diameters of two convex lenses is ______ the ratio of their focal lengths
A. Greater than
B. Less than
C. Equal to
D. Square of
10 A monochromatic source of light gives light of
A. one colour
B. two colours
C. four colours
D. seven colours

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