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

In Michelsion's interferometer the path difference is varied by moving

Question # 2

Which of the following is an optically active material

Question # 3

In an interference fringes pattern the fringes are

Question # 4

Who proposed wave theory of light

Question # 5

How are X-rays diffracted by crystals in X-rays crystallography?

Question # 6

In Newton,s rings apparatus, we also use

Question # 7

Laws of reflection and refraction can also be explained by:

Question # 8

When the movable mirror moves, the distance λ/4 the total path difference would be

Question # 9

If the slits in YDS experiment are made closer, fringe spacing will

Question # 10

The light signal in an optical fibre requires that the light should

Question # 11

Maximum number of orders available with a grating is ______ grating element

Question # 12

The time taken by light for its passage from M to m and back is

Question # 13

The medium in which speed of light is the same in all directions is called:

Question # 14

Wave front is the locus or all points in vibration are in the same

Question # 15

Spectrometer can be used to

Question # 16

Ultra-violet rays differ from X-rays in that ultra - violet rays

Question # 17

A polaroid is:

Question # 18

An oil film floating on water surface show colours due to

Question # 19

When a plane polarized light is passed through certain crystals they

Question # 20

In order to observe interference , the interfering beams must be

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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 maximum size of an object as seen by the naked eye is obtained when it is placed of
A. Far point
B. Near point
C. Distant point None of these
2 An oil surface floating on water surface exhibits beautiful colour patter, which is due to 
A. Reflection of light
B. Diffraction of light
C. Interference of light
D. None of these
3 Spectrometer using diffraction grating can measure
A. Wavelength of light
B. Frequency of light
C. Intensity of light
D. None of these
4 Which does not show polarization?
A. Longitudinal waves in gas
B. Transverse wave in gas
C. Both A and B
D. None of these
5 Analyzer is use to
A. Polarize the light
B. Un-polarize the light
C. Check whether the light is polarized or un polarized
D. Rotate the plane of polarized light
6 The final image obtained by astronomical telescope is
A. Inverted w.r.t object
B. Magnified
C. Virtual
D. All of them
7 If 'd' 'm' and fringe spacing ΔY are known, the interference effect due to light of λ
A. Cannot be determine
B. Can be determined in same cases
C. Can be determined
D. None of these
8 The fiber of which refractive index ______ gradually as move from central core to its periphery is called ______ index fiber
A. Decreases, multi-mode graded
B. Increases, single mode step
C. Either of A or B
D. Increases, multi-mode step
9 If f = 5 cm and d = 25 cm then the magnification will be
A. 2
B. 4
C. 5
D. 6
10 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
A. 1 x 10-7m
B. 2 x 10-7m
C. 1.5 x 10-7m
D. 1 x 10-8m

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