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

In the thin film, the path difference of two reflected ray depends upon

Question # 2

If the slits in YDS experiment are made closer, fringe spacing will

Question # 3

The magnification is negative for

Question # 4

Sky seems blue due to

Question # 5

The organic substances which shows optical rotation when they are in solution

Question # 6

In the thin film, the path difference between the two reflecting waves depends upon

Question # 7

The resolving power of human eye is

Question # 8

The phenomenon of diffraction also contains the phenomenon of

Question # 9

In YDS experiment using white light

Question # 10

Which of the following is conserved when light waves interfere

Question # 11

When two light waves travelling in the same direction are out of phase at any point, their resultant amplitude

Question # 12

For which color of light the refractive index of glass is larger

Question # 13

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

Question # 14

The spacing between the parallel lines are served as

Question # 15

When a light signal travels along the length of the optical fibre, the power lost by it is due to

Question # 16

Wavelength of light of frequency 100 Hz is

Question # 17

At the point of contact of the lens and the glass plate, the Newton's ring is

Question # 18

A line which represents the direction of travel of a wave is known as

Question # 19

Which one of the following can act approximately as a source of monochromatic light

Question # 20

The interference fringes are of

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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 waves propagate in space by the motion of the
A. wavelengths
B. frequencies
C. wavefronts
D. none of them
2 Which effect provides direct experiment evidence that light is a transverse rather than a longitudinal,wave motion?
A. Light can be diffracted
B. Two coherent light waves can be made to be interfere
C. The intensity of light from a point source falls off inversely as the square of the distance from the source
D. Light can be polarized
3 The velocity of light in vacuum can be changed by changing
A. Frequency
B. Amplitude
C. Wavelength
D. None of these
4 If a lens is cut into two piece perpendicular to the principal axis and only part is used the intensity of the image:
A. Remains same
B. 1/2 times
C. 2 times
D. Infinite
5 Two sources of light are said to be coherent when the waves produced by them have
A. Equal wavelength
B. Equal amplitude
C. Equal wavelength and constant phase difference
D. Amplitude and wavelength are same
6 Newton's rings are formed due to
A. Refraction of light
B. Diffraction of light
C. Interference of light
D. None of these
7 An object is placed between two parallel mirrors the number of images formed is
A. 2
B. 4
C. 8
D. Infinite
8 When an image is placed at the focal length of the eye piece, the final image formed at
A. 2 F
B. 4 F
C. 6 F
D. Infinity
9 A convex lens has focal length F.An object is placed at P then
A. Image is formed at + ∞ and is real
B. Image is formed at + ∞ and is virtual
C. Image is formed at + ∞ and is real
D. Image is formed at + and is virtual
10 Wavelength of light of frequency 100 Hz is
A. 2 x 106 m
B. 3 x 106 m
C. 4 x 106 m
D. 5 x 106 m

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