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 scattering of X-rays from atoms in a crystalline lattice gives rise to

Question # 2

There will be no change in _______ of light entering glass

Question # 3

Focal length of convex lens is maximum for

Question # 4

The colour of light is determined by is

Question # 5

The property of light which makes light possible to be transmitted into inaccessible place is

Question # 6

Fringe spacing in YDS experiment will be maximum if we use:

Question # 7

For the normal setting of a telescope

Question # 8

Successive dark and bright fringes are formed each time the moveable mirror in Michelsion's interferometer is moved a distance

Question # 9

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

Question # 10

The advantage/advantages of fiber optics than radio wave carriers

Question # 11

Optical device used in spectrometer

Question # 12

Proportion of light in an optical fibre requires that the light-should be within the fibre

Question # 13

Plane microwaves are incident on a long slit having a width of 5 cm.The wavelength of the microwaves if the first minima is formed at 30° is

Question # 14

Maximum detail of object can be seen from a microscope wen light used is of

Question # 15

At the point of contact of the lens and the glass plate, the Newton's ring is

Question # 16

The information carrying capacity in an optical fibre is called

Question # 17

Polaroid glass is used in sun glasses because

Question # 18

Such type of fibre in which center core is of high refractive index and the layer over the central core is low refractive index is called

Question # 19

If 5000 lines/cm are ruled on a diffraction grating, the element is:

Question # 20

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

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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 When a mirror of a Michelsion's interferometor is moved a distance of 0.5 mm, 2000 fringes are observed, the wavelength of the light used is
A. 5000 mm
B. 5000°A
C. 500 cm
D. 2000°A
2 When light signal travels along fibres, the power losses are mainly due to
A. scattering
B. absorption
C. both of them
D. either of them
3 If the slits in YDS experiment are made closer, fringe spacing will:
A. Increase
B. Decrease
C. Remain same
D. None of above
4 The distance between the top adjacent slits on diffraction grating is called
A. element
B. grating element
C. aperture
D. slit
5 The fringe spacing in case of blue light
A. Increases
B. Remains the same
C. Decreases
D. None of these
6 In Michelson interferometer if the moveable mirror is moved through a distance of 8λ then the number of fringes shifted are
A. 4
B. 8
C. 16
D. 32
7 Ray optics is valid,when characteristic dimensions are
A. Of the same order as the wavelength of light
B. Much smaller than the wavelength of length
C. Of the order of one millimeter
D. Much larger than the wavelength or light
8 Propagation of light in an optical fibre requires that the light should
A. be partially confined within the fibre
B. be totally confined within the fibre
C. not be confined within the table
D. none of them
9 Critical angle of light passing from glass to air is minimum for
A. Red
B. Green
C. Yellow
D. Violet
10 If focal length of objective is increased
A. Magnifying power of compound microscope decreased
B. Magnifying power of astronomical telescope increases
C. The diameter of the objective lens
D. None of these

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