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

Huygen's principle is used to study the

Question # 2

The object is placed at the principle focus of a simple microscope if the focal length of the lens is 2cm what is the magnifying power of the microscope

Question # 3

Conventionally, all the distances p, q, f, are measured from ______ of the lens

Question # 4

Point out angle/angle at which the sin θ and tan θ have the same value

Question # 5

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?

Question # 6

The resolving power of a grating spectrometer is

Question # 7

The optical fibre is covered for protection with

Question # 8

The light which has components in all directions is called

Question # 9

Monochromatic light directly means waves of

Question # 10

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

Question # 11

A glass plate on which a large number of very fine equidistant parallel lines are drawn is called

Question # 12

Spherical aberration can be reduced by using

Question # 13

An optical instrument used to see very far off objects is called

Question # 14

Multimode graded index fibre core has diameter of

Question # 15

A plane wavefront is that which has source

Question # 16

Why laser rays are used to measure long distance?

Question # 17

A ______ lens is used in the apparatus to get Newton,s rings

Question # 18

The focal length of the lens of human eye

Question # 19

In case of reflection of ray within a denser medium, angle of incidnet is ______ -angle of reflection

Question # 20

The tip of a needle does not give a sharp image it is due 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 Huygen's wave front which sends out secondary wavelets with a speed equal to
A. Speed of propagation of the wave
B. Speed of propagation greater than wave
C. Speed of propagation less than the wave
D. None of these
2 The danger signals are red while the eye is more sensitive to yellow because
A. Scattering in yellow colour is less than that of red
B. Red light is longer in wavelength than yellow light
C. Scattering in red is less than that of in yellow
D. Red colour has greater frequency than yellow light
3 In single slit diffraction the condition for second minimum is
A. Sinθ = λ
B. d Sinθ =2λ
C. d Sinθ =3λ
D. d Cosθ =0
4 Single mode step index fibre has
A. Thick core and large cladding
B. Thick core and shorter cladding
C. Thin core and shorter cladding
D. Thin core and larger cladding
5 Power of a lens is equal to
A. Focal length in meters
B. Reciprocal of focal length expressed in meters
C. Double the focal length
D. Half the focal length
6 Inspite of different dispersion, all the wavelengths arrive at the other end of the fibre at the same time. With a step-index fibre overall time difference may be about
A. 40 ns
B. 30 ns
C. 32 ns
D. 33 ns
7 An object is placed at a distance of f/2 from a convex lens.The Image will be
A. At one of the foci,virtual and double its size
B. At,3/f real and inverted
C. At 2f,virtual and erect
D. At f,real and inverted
8 If λ = 589 nm   d=1.0 mm  L=225 cm then fringe spacing ΔY is given by  
A. 1.76 mm
B. 1.80 mm
C. 1.37 mm
D. 1.33 mm
9 Repeaters are the devices which regenerate the signals and are placed at about
A. 20 km
B. 30 km
C. 40 km
D. 50 km
10 Fraunhofer spectrum is a
A. Line absorption spectrum
B. Band absorption spectrum
C. Line emission spectrum
D. Band emission spectrum

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