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

When 'θ' is small then

Question # 2

One cannot see through fog because

Question # 3

X-ray diffraction has been very useful in determining structure of

Question # 4

The distance between two concentric wave fronts is

Question # 5

Such type of fibre in which center core is of high refractive index and the layer over the central core is low refractive index is called

Question # 6

Single mode step index fibre has a very thin core of about diameter

Question # 7

Source of light used in the fibre optic communication

Question # 8

The least distance of he distinct vision is

Question # 9

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

Question # 10

A line normal to the wave front is called

Question # 11

The fringe spacing in case of red light

Question # 12

In Newton s rings the central spot appears dark due to

Question # 13

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

Question # 14

Confining the light vibrations in one plane is called:

Question # 15

Which of the following colors suffers maximum deviation in a prism?

Question # 16

The twinkling of stars is due to

Question # 17

The study of atomic structure of crystals by X-rays was initiated by W.H.. Bragg and W.L. Bragg in

Question # 18

In newton's rings apparatus, we also use:

Question # 19

Who proposed that light energy form a luminous source travels in space by means of wave motion?

Question # 20

Light has:

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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 Spectrometer using diffraction grating can measure
A. Wavelength of light
B. Frequency of light
C. Intensity of light
D. None of these
2 Fringe spacing in YDS experiment will be maximum if we use
A. Red light
B. Green light
C. Violet light
D. Blue light
3 Wavelength of light, on the average, is given by
A. 10-14m
B. 10-10m
C. 10-6m
D. 10-4m
4 According to Young s experiment if frequency of light used is halved then fringe width becomes
A. 2/3
B. Double
C. Remains constant
D. Fringe
5 While viewing a distant object with a telescope suddenly a housefly sits on objective lens.The correct statement is that
A. Housefly will be seen enlarged in image
B. Housefly will be seen reduced in image
C. Intensity of image will be decreased
D. Intensity of image will be increased
6 The least distance of distinct vision for a normal eye is
A. 15 cm
B. 25 cm
C.
35 cm
D. 1 m
7 If plane polarized light is incident on the second sheet of Polaroid, the light emitted is full light when their axes are
A. Parallel to each other
B. Perpendicular to each other
C. In between two positions
D. None of these
8 The locus of all points in a medium having same phase of vibration is called:
A. Crest
B. Trough
C. Wavelength
D. Wavefront
9 The object is placed at the principle focus of a simple microscope if the focal length of the lens is 2cm what is the magnifying power of the microscope
A. 13.5
B. 12.5
C. Infinity
D. None of these
10 The speed of secondary wavelets as mentioned in Huygen's principle is______the speed of propagation of the wave itself:
A. Equal to
B. Greater than
C. Smaller than
D. None of these

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