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

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MDCAT Physics Chapter 7 Light Online Test

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Question # 1

In newton's rings see through the reflected light, centeral spo is:

Question # 2

A diffraction pattern is obtained using a beam of red light What will happen if the red light is replaced by blue light?

Question # 3

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

Question # 4

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

Question # 5

For the monochromatic beam of X-rays, the crystal planes in a lattice act like a

Question # 6

Which Phenomenon proves that nature of light is transverse

Question # 7

Ordinary light has components of vibrations in

Question # 8

Two monochromatic radiations X and Y are incident normally on a diffraction grating.The second order intensity maximum for X coincides with the third order intensity maximum for Y what is the ratio wavelength of X/wavelength of Y?

Question # 9

The waves produced in a stretched string are called

Question # 10

Near and far points of a healthy human eye respectively are

Question # 11

A single converging lens placed close to the eye to see magnified image is called

Question # 12

In YDS experiment, fringe spacing means the distance between two consecutive_____fringes:

Question # 13

The length of a telescope is 36 cm.The focal lengths of its lenses can be

Question # 14

A light wave produced by oscillating charge consists of a periodic variation of

Question # 15

Which characteristics of wave, established the Huygen's wave theory in 1801?

Question # 16

Fiber optics also used to transmit light

Question # 17

Why laser rays are used to measure long distance?

Question # 18

If the wavelength of light used in Michelsion's interferometer is 400 nm and the moveable mirror only moved throughλ/4, then the length moved will be

Question # 19

In Newton's rings the thickness of air film at the point of contact is

Question # 20

If tube length of astronomical telescope is 105 cm and magnifying power is 20 for normal setting calculate the focal length of objective

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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 laser light used in an optical fiber system has a wavelength equal to
A. 3μm
B. 5μm
C. 1.3μm
D. 6μm
2 We can achieve polarization by
A. Absorption
B. Reflection
C. Scttering
D. All of above
3 For incident angles equal or greater than the critical angle the glass air boundary will act as a
A. Convex mirror
B. Concave mirror
C. Mirror
D. None if them
4 A point on the surface of the mirror where principle axis meets is called
A. Focus
B. Centre of curvature
C. Pole
D. Aperture
5 A fly is sitting on the objective of a telescope pointed towards the moons what effect is impacted in a photograph of the moon taken through the telescope
A. The entire field of vision is blocked
B. There is image of the fly on the photograph
C. There is no effect at all
D. There is the reduction in intensity of the image
6 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
7 In Michelson's interferometer , the plates are placed in front of incident ray at an angle of:
A. 45o
B. 60o
C. 90o
D. 120o
8 An object is placed between two parallel mirrors the number of images formed is
A. 2
B. 4
C. 8
D. Infinite
9 According to the relation for constructive destructive interference, the point of contact has zero thickness of air so it should have
A. No interference
B. Conductive interference 
C. Destructive interference
D. None of these
10 The study of atomic structure of crystals by X-rays was initiated by W.H.. Bragg and W.L. Bragg in
A. 1920
B. 1926
C. 1910
D. 1914

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