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

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

Question # 2

Light of wavelength 800 n m is incident on a pair of slits, forming fringes 4.0 mm apart on a screen. What is the fringe when light of 400 nm is used and the slit separation is halved?

Question # 3

The wave propagates in space by the motion of the

Question # 4

For a system to transmit thousands of telephones conversations, several television programs and numerous data signals, it need the following number so threads of optical fibre

Question # 5

The index of refraction of diamond is 2.0 velocity of light in diamond in m/s is

Question # 6

The interference fringes are of

Question # 7

The magnification of a compound microscope of object and eye piece of focal lengths f0and fe, respectively is

Question # 8

Bending of light around sharp edges is known as

Question # 9

All of the following statements are correct except

Question # 10

The wavelength of light is 6000°A, the number of waves continued in 0.01 m distance will be

Question # 11

If a light of λ = 588 nm falls on half silvered glass plate in Michelson s interferometer if movable mirror is moved through 0.233 mm the number of fringes will be observed to shift

Question # 12

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

Question # 13

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

Question # 14

Laws of reflection and refraction can also be explained by:

Question # 15

 In the phenomenon of interference, the bright and dark fringes are of

Question # 16

Two sources of light are said to be coherent when the waves produced by them have

Question # 17

If 5000 lines/cm are ruled on a diffraction grating, the element is:

Question # 18

In an interference fringes pattern the fringes are

Question # 19

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

Question # 20

Colour of thin film will not show result from

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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 Which characteristics of wave, established the Huygen's wave theory in 1801?
A. polarization
B. interference
C. propagation
D. all of them
2 Single mode step index fibre has a very thin core of about diameter
A. 5.5 μm
B. 9.5 μm
C. 5.0 μm
D. All of these
3 The phenomenon of blending of around edges of an obstacle is called:
A. Interfarance
B. Defraction
C. Polorisation
D. None of above
4 The relation d sinθ = nλ, where 'n' is the
A. Number of bright fringes
B. Number of dark fringes
C. Order of the spectrum
D. None of these
5 Optical fibres are of
A. Five type
B. Two type
C. Three type
D. None of these
6 Michelson's interferometer is an instrument used to measure the distance with
A. Precision
B. High precision
C. Extremely high precision
D. None of these
7 A shortsighted person can see clearly
A. Near objects
B. Far objects
C. Objects at 25 cm
D. Objects at infinity
8 Speed of light in vacuum is
A. 0 ms-1
B. 3 x 108ms-1
C. 1.5 x 108ms-1
D. None of these
9 The apparent size of an object depends on the angle subtended but it at the eye. As the angle increases the size of the object
A. Smaller
B. Larger
C. Very large
D. None of these
10 Plane polarized light can be produced by:
A. Simple reflection
B. Refraction
C. Selective absorption
D. All of these

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