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

The wavelength of X-rays is about

Question # 2

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

Question # 3

The information carrying capacity in an optical fibre is called

Question # 4

With a graded index fibre, the overall time difference between all the wavelengths arrived at the other end may be about

Question # 5

In newton's rings apparatus, we also use:

Question # 6

Refractive index of material depends upon

Question # 7

Conditions for interference are that the two sources should be coherent and:

Question # 8

An object is placed at a distance of f/2 from a convex lens.The Image will be

Question # 9

The ratio of diameters of two convex lenses is ______ the ratio of their focal lengths

Question # 10

When two lights waves travelling in the same direction are in phase at any point, they producing

Question # 11

The unit of power of a lens is

Question # 12

If Young s double slit experiment is immersed in water then the fringes with

Question # 13

For constructive interference path difference should be

Question # 14

Which of the following radiation will be focused farthest from a convex lens

Question # 15

We can use Fibre optics system for

Question # 16

All of the following statements are correct except

Question # 17

The dichronic substances are used in the process getting plane polarized light

Question # 18

Such a surface on which all the points have the same phase of vibration is known as

Question # 19

The refractive index of a medium is defined as a ratio

Question # 20

With the help of interferometer, we can find the

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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 Wavelength of light, on the average, is given by:
A. 10-14m
B. 10-10m
C. 10-6m
D. 10-4m
2 When crest of one wave coincides with the trough of the other wave, it give rise to
A. dispersion
B. constructive interference
C. destructive interference
D. polarization
3 A double convex lens act as a diverging lens when the object is
A. Inside the focus
B. Between f and 2f
C. At the focus
D. At a large distance
4 When two light waves travelling in the same direction are out of phase at any point, their resultant amplitude
A. increases
B. decreases
C. remains unchanged
D. increases rapidly
5 On a diffraction grating which thing acts as a slit
A. the lines which are ruled on it
B. the spacing between the lines
C. either of them
D. none of them
6 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
7 The plane of polarization is rotated many degrees when a thickness of such crystal is
A. One millimeter
B. Less than one millimeter
C. A few millimeter
D. None of these
8 The light from the sun reaches to earth with wavefronts
A. Spherical
B. Cylindrical
C. Plane
D. None of these
9 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
A. Dark
B. Bright
C. Non image formed
D. None of these
10 When seen in green light the saffron and green portions of our National Flag will appear to be
A. Black
B. Black and green respectively
C. Green
D. Green and yellow respectively

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