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

A completely transparent material will be invisible in vacuum when the refractive index n is

Question # 2

The speed of light in a medium depends upon

Question # 3

For glass-air boundary, the value of the critical angle is

Question # 4

The speed of the secondary wavelets as mentioned in Huygen's principle is ________ the speed of propagation of the wave itself

Question # 5

In Michelsion's interferometer, if 'm' number of fringes are passed in front of a reference point when the moveable mirror is moved a distance L, then

Question # 6

The most common method to obtain plane polarized light by using dichoric substance is:

Question # 7

The points on a Huygen's wave front which sends out secondary wavelets are also

Question # 8

Huygen's wave front which sends out secondary wavelets with a speed equal to

Question # 9

A line normal to the wavefront including the direction of motion is called

Question # 10

The length of the standard metre measured by Michelsion's interferometer comes out to be

Question # 11

A fly is sitting on the objective of a telescope pointed towards the moon.What effect is expected on the photography of the moon taken through the telescope?

Question # 12

A wider objective and the use of blue light of short wavelength produces

Question # 13

Which does not show polarization?

Question # 14

A convex lens has focal length F.An object is placed at P then

Question # 15

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

Question # 16

The disadvantage of the step-index fibre can be reduced by

Question # 17

The bending of light when it passes from one medium to another is known as

Question # 18

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

Question # 19

Angular magnification of a simple microscope is given as

Question # 20

The locus of all points in a medium having same phase of vibration is called:

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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 In Young's double slit experiment, the widths of dark and bright fringes are
A. different
B. equal
C. zero
D. variable
2 Inverse square law for luminance is valid for
A. Search light
B. Isotropic point source
C. Cylindrical source
D. All types of sources
3 Speed of light in vacuum is
A. 0 ms-1
B. 3 x 108ms-1
C. 1.5 x 108ms-1
D. None of these
4 The disadvantage of the step-index fibre can be reduced by
A. graded index fibre
B. non-graded index fibre
C. both of these
D. none of these
5 The function of compensator plate in interferometer is to
A. Interfere properly
B. To equalize the distance of M1 and M2
C. Reflecting light properly
D. None of these
6 The information received at the other end of a fibre can be inaccurate due to
A. dispersion of light signal
B. spreading of light signal
C. both of them
D. none of them
7 In an interference pattern of Ypung's double Slit (YDS) experiment:
A. Bright fringes are wider than dark fringes
B. Dark fringes are wider than bright fringes
C. Both dark and bright fringes are of equal width
D. Central fringes are wider than the outer fringes
8 When light travels from one medium to another which are separated by a sharp boundary the characteristic which does not change is
A. Velocity
B. Wavelength
C. Frequency
D. Amplitude
9 Which type of optical fiber has the largest diameter
A. Single mode step index fiber
B. Multi-mode step index fiber
C. Multi-mode graded index fiber
D. None of these
10 For interference to occur,the interfering beams of light must be
A. Of different frequencies
B. Coherent
C. White light
D. Added

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