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

If the magnification M1 = 20.0 for objective and M2 = 12.0 then total magnification is

Question # 2

To get higher magnification we must use

Question # 3

To get three images of a single object,one should have two plane mirrors at an angle of

Question # 4

In order to observe interference , the interfering beams must be

Question # 5

Who proposed that light energy form a luminous source travels in space by means of wave motion?

Question # 6

A convex lens of focal length 5 cm is used as magnifying glass Its magnifying power when the image is formed at infinity

Question # 7

The information received at the other end of a fibre can be inaccurate due to

Question # 8

In YDS experiment, condition for constructive interference is that path difference is equal to

Question # 9

The image of an object 5 mm length is only 1 cm high. The magnification of the lens is

Question # 10

In a spectrometer experiment monochromatic light is incident normally on a diffraction grating having 4.5 x 105 lines per meter.The second order line is seen at an angle of 30 to the normal what is the wavelength of the light?

Question # 11

A grating with high resolving power can distinguish ______ difference in ______

Question # 12

A thin layer of oil on the surface of water looks colored due to:

Question # 13

The bottom of a container filled with liquid appear slightly raised because of

Question # 14

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

Question # 15

In an interference pattern of Young,s Double Slit (YDS) experiment

Question # 16

Light waves produce interference when

Question # 17

A telescope is rotatable about the same vertical axis as the turntable, with a scale which is

Question # 18

If Young s double slit experiment is immersed in water then the fringes with

Question # 19

The experimental evidence in support of wave theory in Huygen's time was

Question # 20

Light appears to travel in straight line because

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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 Near and far points of a healthy human eye respectively are
A. 0 and 25 cm
B. 0 and infinity
C. 25 cm and 100 cm
D. 25 cm and infinity
2 The magnifying power of an instrument is expressed in
A. Radians
B. Degrees
C. No units
D. None of these
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
A. λ/2
B. λ
C. 2λ
D. None
4 Experimental demonstration of wave nature of light was given in 1801 by:
A. Newton
B. Maxwell
C. Thomas young
D. Compton
5 Optically active substance are those substance which
A. Produce polarization of polarized light
B. Rotate the plane of polarization of polarized light
C. Produce double refraction
D. Both a and b
6 Inverse square law for luminace is valid for
A. Search light
B. Isotropic point source
C. Cylindrical source
D. All types of source
7 Diffraction effect is
A. More for a round edge
B. More for a sharp edge
C. Less for a sharp edge
D. None of these
8 How many major components of fibre optic communication system are
A. 4
B. 5
C. 3
D. 2
9 Least distance of distinct vision
A. Decrease with increasing age
B. Increases with increasing age
C. Does not vary with age
D. May increase or decrease with age
10 Two wave of intensities I an 4I superpose then the maximum and minimum intensities are
A. 5I and 3I
B. 9I and I
C. 9I and 3I
D. 5I and I

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