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 magnifying power of an instrument is expressed in

Question # 2

In case of diffraction grating, unit of grating element is:

Question # 3

Whenever high magnification is desired

Question # 4

In the thin film, the path difference between the two reflecting waves depends upon

Question # 5

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

Question # 6

The regular array of atoms in a crystal forms a natural diffraction grating of spacing typically

Question # 7

According to Huygen's principle:

Question # 8

A shortsighted person can see clearly

Question # 9

A convex ens acts as diverging lens when the object is placed

Question # 10

Can two lights of car can produce interference

Question # 11

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

Question # 12

The concentration in solution can be determined by the property known as

Question # 13

When light passes through a tourmaline crystal, it becomes

Question # 14

If the power of a lens is 4 diopters then is focal length is

Question # 15

Two lenses of power +12 and -2 diopters are placed in contact the power of combination is

Question # 16

In Young's double slit experiment,the separation between the slits is made 3 fold the fringe width becomes

Question # 17

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

Question # 18

The least distance of distinct vision for a normal eye is

Question # 19

A plane wavefront is that which has source

Question # 20

In a spectrometer experiment monochromatic light is incident normally on a diffraction grating having 4.5 x 105 lines per meter.The second order line is seen at an angle of 30 to the normal what is the wavelength of the light?

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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 According to WH Bragg and WL Bragg monochromatic beam of X-rays was reflected form a crystal plane is like a
A. Smooth and regular
B. Mirror
C. Thin film
D. None of these
2 The bottom of a container filled with liquid appear slightly raised because of
A. Refraction
B. Interference
C. Diffraction
D. Reflection
3 Which of the following is an optical fibre in which the density of central core decreases towards its periphery?
A. multi-mode step index fibre
B. multi-mode graded index fibre
C. both of them
D. none of them
4 The magnifying power of a simple microscope can be increased if we use eye piece of
A. Higher focal length
B. Smaller focal length
C. Higher diameter
D. Smaller diameter
5 When the length of a microscope tube increases its magnifying power
A. Decreases
B. Increases
C. Does not change
D. May increase or decrease depending on the observer and the place of observation
6 In YDS experiment, data given isλ= 500 nm, L = 100 cm,Δy comes out to be
A. 0.5 cm
B. 0.5 mm
C. 0.5 nm
D. 0.5 m
7 The information carrying capacity in an optical fibre is called
A. wavelength
B. frequency
C. bandwidth
D. none of them
8 A new type of optical fibre in which central core has high refractive index and its density gradually decreases towards its periphery is called
A. Step index fibre
B. Multimode step index fibre
C. Multimode graded index
D. None of these
9 The advantage/advantages of fiber optics than radio wave carriers
A. Much wider band width
B. Capability
C. Immunity
D. All of these
10 A usual way to obtain a plane wave is to place point source of light at the focus of a
A. concave lens
B. convex lens
C. both of them
D. either of them

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