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

The cause of mirage observed in deserts in bright sunlight is due to:

Question # 2

The refractive index of a medium is defined as a ratio

Question # 3

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

Question # 4

Who devise the experimental arrangement in 1801 for studying interference effects of light

Question # 5

The phenomenon of blending of around edges of an obstacle is called:

Question # 6

The brilliance of diamond is

Question # 7

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

Question # 8

The ultra-purity of optical fibre is

Question # 9

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

Question # 10

With tremendous information carrying capacity is called

Question # 11

In the Young's double slit experiment the separation between the slits is halved and the distance between the slits and the screen is doubled the fringe width is

Question # 12

If the thickness of the film and angle of incidence are such that two reflected waves cancel each other the film will look

Question # 13

Which one light source can travel faster through optical fibre is

Question # 14

The speed of light in a medium depends upon

Question # 15

The speed of light in a medium of refractive index 1.5 is

Question # 16

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

Question # 17

Signal from a remote control to the device operated by it travels with the speed of:

Question # 18

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

Question # 19

Propagation of light in an optical fiber requires that light should be

Question # 20

We can achieve polarization by

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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 By which principle we can locate the position of new wavefront after a later time?
A. principle of irreversibility
B. principle of light
C. Archimedes principle
D. Huygen's principle
2 Such a surface on which all the points have the same phase of vibration is known as
A. wavefront
B. amplitude
C. displacement
D. all of them
3 In Bragg's Equation 2d sin θ = nλ, where 'n' is
A. Order of spectrum
B. Number of reflections
C. Order of reflection
D. None of these
4 Cladding in an optical fiber is used to
A. Absorb unneccessary light
B. Produce total internal reflection
C. Transmit light
D. Filter light
5 If plane polarized light is incident on the second sheet of Polaroid, the light emitted is full light when their axes are
A. Parallel to each other
B. Perpendicular to each other
C. In between two positions
D. None of these
6 For incident angles equal or greater than the critical angle the glass air boundary will act as a
A. Convex mirror
B. Concave mirror
C. Mirror
D. None if them
7 Which of the following colors will have minimum critical angle when light passes from glass to air
A. Red
B. Blue
C. yellow
D. Orange
8 To observe interference of light the condition which must be met with is that the sources must be:
A. Monochromatic
B. Phase coherent
C. Both of above
D. None of above
9 The function of colimator is
A. To converge the incoming rays
B. To make the parallel rays from source
C. In which the source of light is kept
D. None of these
10 When monochromatic light is incident, making certain angle, on a thin parallel film, the interference fringes formed are
A. straight
B. circular
C. square
D. plane

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