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

The wavelength of refractive wave in a denser medium is

Question # 2

Spectrum of sun consists of

Question # 3

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 # 4

For the normal setting of a telescope

Question # 5

Angle between ray of light and the corresponding wavefront is:

Question # 6

When an image is placed at the focal length of the eye piece, the final image formed at

Question # 7

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

Question # 8

Light appears to travels in straight lines since

Question # 9

Michelson's interferometer is an instrument used to measure the distance with

Question # 10

The digital modulation is expressed in

Question # 11

Polaroid glass is used in sun glasses because

Question # 12

The interference fringes are of

Question # 13

When a movable mirror moves λ/4 distance and the light used is 400 nm, then the distance measured highly precise is

Question # 14

If the path difference must be an integral multiple of wavelength

Question # 15

For a monochromatic light passing from air to glass, which one of the following statement is true?

Question # 16

Star twinkle due to

Question # 17

If λ = 589 nm   d=1.0 mm  L=225 cm then fringe spacing ΔY is given by  

Question # 18

Basic principle of an optical fibre is

Question # 19

Magnification of a convex lens is

Question # 20

The central point in the Newton's rings is dark due to

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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 Optical fibres are of
A. Five type
B. Two type
C. Three type
D. None of these
2 The blue color of sky is due to:
A. Dispersion
B. Diffraction
C. Polarization
D. Scattering
3 The re conversion of light signals into electrical signals takes place due to
A. Transmitter
B. Receiver
C. Generator
D. None of these
4 A compound microscope is consists of an eye piece  of focal length
A. Short
B. Very short
C. Large
D. Very large
5 Geometrical optics cannot give following characteristics for a microscope
A. Image position
B. Image size
C. Resolution of image
D. Any of the above
6 The property of light which makes light possible to be transmitted into inaccessible place is
A. Interference
B. Diffraction
C. Polarization
D. None of these
7 A circular scale is attached and graduated in
A. One degree
B. 2 degrees
C. Half degree
D. None of these
8 Fraunhofer's lines commonly visible in the sun's spectrum are examples of
A. Line emission spectrum
B. Line absorption spectrum
C. Band emission spectrum
D. Band absorption spectrum
9 The regular array of atoms in a crystal forms a natural diffraction grating of spacing typically
A. ≈ 10-10 m
B. ≈ 10-12 m
C. ≈ 10-8 m
D. ≈ 10-9 m
10 A planet is observed by an astronomical refracting telescope having an objective of focal length 16 m and an eyepiece of focal length 2 cm.
A. The distance between the objective and the eyepiece is 8m
B. The angular magnification of the planet is 200
C. The image of the planet is inverted
D. The objective is smaller than the eyepiece

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