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

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

Question # 2

Optically active substance are those substance which

Question # 3

In YDS experiment, data given isλ= 500 nm, L = 100 cm,Δy comes out to be

Question # 4

Fire optics has ability to transmit

Question # 5

In compound microscope the focal length of eye piece is

Question # 6

A limited region taken on a wavefront which is far away form the source is

Question # 7

Wavelength of light of frequency 100 Hz is

Question # 8

The speed of light in a medium depends upon

Question # 9

A wider objective and the use of blue light of short wavelength produces

Question # 10

The laser light used in an optical fiber system has a wavelength equal to

Question # 11

The re conversion of light signals into electrical signals takes place due to

Question # 12

Which Phenomenon proves that nature of light is transverse

Question # 13

A converging lens in used to from an image on a screen when the upper half of the lens is covered by an opaque screen

Question # 14

To find wavelength of light by his experiment. Newton utilized:

Question # 15

Wavelength of X-rays falling at glace angle 30° on crystal with atomic spacing 2 x 10-9m for the first order diffraction is

Question # 16

A compound microscope is consists of objective of

Question # 17

The medium in which speed of light is the same in all directions is called

Question # 18

The fringe spacing in case of blue light

Question # 19

Optical device used in spectrometer

Question # 20

A circular scale is attached and graduated in

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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 ratio of diameters of two convex lenses is ______ the ratio of their focal lengths
A. Greater than
B. Less than
C. Equal to
D. Square of
2 Which light travels faster in optical fibres?
A. visible light
B. ultraviolet
C. infra-red
D. any one of them
3 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
4 The lower refractive index the fibre core has
A. 1.48
B. 1.40
C. 1.54
D. 1.42
5 The transmitter in optical fiber system contains a device called
A. LED
B. Diode
C. Transistor
D. None of these
6 The minimum distance between a source and the screen for which a real image is possible with a convex lens is
A. Its focal length
B. Twice the focal length
C. Four times the focal length
D. Square of the focal length
7 A thin film is a transparent medium whose thickness with the wavelength of light are
A. Not comparable
B. Comparable
C. Both
D. None of these
8 In a compound microscope the intermediate image is
A. Virtual erect and magnified
B. Real,erect and magnified
C. Virtual,inverted and magnified
D. Virtual,erect and reduced
9 Light is a type of energy which produces sensation of
A. Sound
B. Feeling
C. Vision
D. None of these
10 In digital modulation, the LED or laser flashed on and off at a
A. Fast rate
B. Very fast rate
C. Extremely fast rate
D. None of these

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