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

  • Total Questions20

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MDCAT Physics Chapter 7 Light Online Test

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Question # 1

Which optical fibre is used for shorter distances only?

Question # 2

To observe interference of light the condition which must be met with is that the sources must be:

Question # 3

Plane microwaves are incident on a long slit having a width of 5 cm.The wavelength of the microwaves if the first minima is formed at 30° is

Question # 4

A single step index fibre can carry more than

Question # 5

The diffraction grating is used to determine

Question # 6

Which phenomenon of light conclusively prove that light waves are transverse waves

Question # 7

A line normal to the wavefront including the direction of motion is called

Question # 8

Optical device used in spectrometer

Question # 9

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 # 10

In YDS experiment, at the center of screen is formed a:

Question # 11

The light signals are sent from the source

Question # 12

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

Question # 13

At what distance should a book be placed from a 50 Cd bulb so that the luminance on the book becomes 2 Im m-2

Question # 14

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

Question # 15

If a light of λ = 588 nm falls on half silvered glass plate in Michelson s interferometer if movable mirror is moved through 0.233 mm the number of fringes will be observed to shift

Question # 16

Albert A. Michelson devised interferometer is

Question # 17

The ratio of size of the image to the size of the object is called

Question # 18

When sunlight falls on a soap bubble (film), it appears coloured because of

Question # 19

Least distance of distinct vision

Question # 20

A point source in a homogeneous medium gives rise 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 If d = 0.25 cm   Y = 0.059 cm   L = 100 cm    m = 2 then λ is equal to
A. 567 nm
B. 569 nm
C. 590 nm
D. 596 nm
2 The brilliance of diamond is
A. Entirely due to refractive index
B. Entirely due to total internal reflection
C. Partly due to total internal reflection
D. None of the above
3 A double convex lens acts as a diverging lens when the object is
A. Between f and 2f
B. At the foucs
C. Inside the focus
D. All of these
4 The image formed after objective lens of an astronomical telescope is
A. Inverted
B. Diminished
C. Real
D. All of these
5 A typical diffraction grating has lines per centimeter is about
A. 500 to 6000
B. 400 to 5000
C. 450 to 5500
D. 425 to 5670
6 Which of the following theories of light are explained by the Young's double slit experiment?
A. wave theory of light
B. particle nature of light
C. dual nature of light
D. corpuscular nature of light
7 A two-slit arrangement is set up to produce an interference pattern on a screen. The fringes are too close together for convenient observation. How could the distance between them be increased?
A. by using a light of longer wavelength
B. by increasing the width of the slits
C. by decreasing the distance between the screen and slits
D. the distance between the fringes is impossible
8 Which one of the following phenomena is not explained by Huygen's construction of wavefront?
A. Refraction
B. Reflection
C. Diffraction
D. Origin of spectra
9 In a simple microscope if the final image is located at infinity then its magnifying power is
A. 25/f
B. 25
C. f/25
D. [1 + (25/f)]
10 The transmission of information by light waves may be
A. An audio signal
B. A television signal
C. A computer data signals
D. All of them

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