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

  • Time Allowed20

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MDCAT Physics Chapter 7 Light Online Test

00:00
Question # 1

In which mode, the refractive index steps down form 1.52 to 1.48 at the boundary with the cladding?

Question # 2

In YDS experiment, if the distance between the slits and also the distance between slits and screen is doubled, the fringe width

Question # 3

In a compound microscope the intermediate image is

Question # 4

If the two reflected waves reinforce each other then the firm as seen from the parallel beam of monochromic light will look

Question # 5

Experimental demonstration of wave nature of light was given in 1801 by:

Question # 6

If f = 5 cm and d = 25 cm then the magnification will be

Question # 7

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

Question # 8

An object is placed at a distance of f/2 from a convex lens.The Image will be

Question # 9

By which principle we can locate the position of new wavefront after a later time?

Question # 10

A ray of light always points

Question # 11

If the focal length of objective is 10 mm find its magnification

Question # 12

A new type of optical fibre in which central core has high refractive index and its density gradually decreases towards its periphery is called

Question # 13

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

Question # 14

For a point source of light the wave front produced are

Question # 15

One cannot see through fog because

Question # 16

Conditions for interference are that the two sources should be coherent and:

Question # 17

Monochromatic light directly means waves of

Question # 18

The distance between the top adjacent slits on diffraction grating is called

Question # 19

An oil film floating on water surface show colours due to

Question # 20

The direction of a ray of light is.......to the wave front.

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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 To get higher magnification we must use
A. Simple microscope
B. A convex lens
C. A compound microscope
D. All of these
2 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
3 The magnification is negative for
A. Real image
B. Virtual image
C. Sometimes for real sometimes for real
D. Only for cancave lens
4 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
5 For interference to occur, the light coming from the two slits should
A. be monochromatic
B. come from the same source
C. have a constant path difference
D. all of them
6 Newton's rings are:
A. Concetric circles
B. spherical
C. None of these
D. Rectangular
7 Spectrometer can be used to
A. Measure wave length of light
B. Measure refractive index of the materials
C. Study spectra of light
D. All
8 Light traveling through vacuum enters water which characteristic of light does not charge
A. Velocity
B. Frequency
C. Wavelength
D. Amplitude
9 For a point source of light the wave front produced are
A. Circular
B. Spherical
C. Cylinrical
D. None
10 Rainbow is formed due to combination of
A. Dispersion and total internal reflection
B. Reflection and refraction
C. Dispersion and focusing
D. Refection and scattering

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