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

  • Total Questions20

  • Time Allowed20

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MDCAT Physics Chapter 7 Light Online Test

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Question # 1

The minimum distance between a source and the screen for which a real image is possible with a convex lens is

Question # 2

The unpolarized light is

Question # 3

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

Question # 4

The limit of which a microscope can be used to resolve details of an object, demands

Question # 5

In an astronomical telescope is the objective has the focal length fo is

Question # 6

A new type of optical fibre in which central core has high refractive index and its density gradually decreases towards its periphery is called

Question # 7

If the path difference must be an integral multiple of wavelength

Question # 8

Polaristion is a phenomenon associated with a certain type of wave.
Which condition must be fulfilled if the wave is to be polarised?

Question # 9

A tourmaline crystal is being used as an analyzer In one complete rotation of the crystal the number of excitation will be

Question # 10

Inverse square law for luminace is valid for

Question # 11

In case of YDS experiment, the distance of the mth bright fringe on the screen from center is

Question # 12

In compound microscope the focal length of eye piece is

Question # 13

In Newton's rings the point of contact of the lens and the glass plate, the air film is

Question # 14

A polarizer is used to

Question # 15

Which of the following is an optical fibre in which the density of central core decreases towards its periphery?

Question # 16

The study of atomic structures of crystals by X-rays was started in

Question # 17

X-rays interact with

Question # 18

In light waves, the components of electric and magnetic fields are

Question # 19

The distance between the two adjacent slits is called

Question # 20

A line normal to the wave front 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 Which of the following is the most common method to obtain polarized light?
A. selective absorption
B. reflection from different surfaces
C. refraction through crystals
D. scattering by small particles
2 In cause of YDS experiment, the distance between adjacent bright fringes is given by
A. Δy =λL/d
B. ΔY = L/λd
C. ΔY =λ/L
D. None of these
3 The phase difference between two points on a wave front will be
A. 0°
B. 4π
C. 2π
D. π/2
4 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?
A. by using a light of longer wavelength
B. by increasing the width of the slits
C. by decreasing the distance between the screen and slits
D. the distance between the fringes is impossible
5 Focal length of convex lens is maximum for
A. Blue light
B. Yellow light
C. Green light
D. Red light
6 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
7 Which of the following is conserved when light waves interfere
A. Intensity
B. Energy
C. Amplitude
D. Momentum
8 According to Huygen,every point on a wavefront may be regarded as a.........of secondary wavelets.
A. Base
B. Source
C. Producer
D. Origin
9 Which does not show polarization
A. Longitudinal wave in gas
B. Transverse wave in gas
C. Both a and b
D. None of these
10 The brilliance of diamond is
A. Entirely due to refractive index
B. Entirely due to total internal reflection
C. Partly due to total internal reflection
D. None of the above

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