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

  • Total Questions20

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MDCAT Physics Chapter 7 Light Online Test

00:00
Question # 1

In young's slit experiment on interference the ratio of the intensities of a bright band and a dark band is 6 : 1 the ratio of the amplitudes o the interfering waves is

Question # 2

To observe interference of light the condition which must be met with is that the sources must be:

Question # 3

When light passes through a tourmaline crystal, it becomes

Question # 4

In Huygen's wave theory the locus of all points in the same state of vibration is called

Question # 5

The cause of power loss in optic fibre is

Question # 6

Which does not show polarization

Question # 7

The speed at which light travels within the material depends upon

Question # 8

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 # 9

The polarized can be achieved by using process like

Question # 10

Wave length of red colour as compared to that of violet colour is:

Question # 11

In a never system, the repeaters are placed at about

Question # 12

In Michelsons interference the movable mirror is moved and a shift of two fringes is observed then the distance moved by the mirror is

Question # 13

The spacing between the parallel lines are served as

Question # 14

The transmitter in optical fiber system contains a device called

Question # 15

If yellow light emitted by sodium lamp in Young's double slit experiment is replaced by blue light of the same intensity:

Question # 16

An object is placed between two parallel mirrors the number of images formed is

Question # 17

The direction of a ray of light is.......to the wave front.

Question # 18

The unpolarized light is

Question # 19

Spectrum of sun consists of

Question # 20

YDS experiment can be used to determine:

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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 If λ = 589 nm   d=1.0 mm  L=225 cm then fringe spacing ΔY is given by  
A. 1.76 mm
B. 1.80 mm
C. 1.37 mm
D. 1.33 mm
2 The wavelength of refractive wave in a denser medium is
A. Same as that of the incident wave
B. Become smaller than the incident
C. Becomes greater than the incident wave
D. None of these
3 In the relations d sinθ = nλ, shows that the value of θ depends upon 'n' so the images of different colours are much separated in
A. Low orders
B. Middle orders
C. High order
D. None of these
4 Frequency of red colour as compared to that of violet colour is:
A. Equal
B. Smaller
C. Greater
D. None of these
5 A lens of 2 cm focal length is to be used as a magnifying glass. Its magnification is
A. 13.5
B. 12.5
C. 0.5
D. 2.5
6 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
7 Single mode step index fibre is used to send
A. white light
B. green light
C. a strong monochromatic light
D. yellow light
8 In case of a point source, the shape of the wavefront is
A. straight
B. elliptical
C. oval
D. spherical
9 In case of constructive interference of two waves, the amplitude of the resultant wave is_____either of the waves:
A. Greater than
B. Equal to
C. Smaller than
D. None of these
10 The light source in the transmitter can be either
A. Light emitting diode
B. Semiconductor laser
C. Light emitting in an invisible infra red
D. All of these

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