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

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MDCAT Physics Chapter 7 Light Online Test

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Question # 1

At what distance should a book be placed from a 50 Cd bulb so that the luminance on the book becomes 2 Im m-2

Question # 2

Which of the following is not an application of polarization

Question # 3

Colours seen on oily water surface by the incident white light is due to

Question # 4

X-ray diffraction has been very useful in determining structure of

Question # 5

Fraunhofer spectrum is a

Question # 6

If 5000 lines per cm are ruled on different on a diffraction grating then the slit spacing will be

Question # 7

In viewing the distant objects the angle subtended at the telescope is

Question # 8

At certain speed, the time taken by light in moving from M to m and back to M is equal to the time taken by

Question # 9

When a ray of light enters a denser medium from a rarer medium,its:

Question # 10

The relation between displacement of the mirror 'L' and wavelength λ of the light used

Question # 11

Why laser rays are used to measure long distance?

Question # 12

In Michelson interferometer if the moveable mirror is moved through a distance of 8λ then the number of fringes shifted are

Question # 13

The diffraction is found to be prominent when the wavelength of light is

Question # 14

Angular magnification of a simple microscope is given as

Question # 15

A microscope has an objective lens of 10 mm focal length and an eye piece of 25.0 mm focal length what is the distance between the lenses

Question # 16

X-ray crystallography can be used to get what information about the structure of a compound?

Question # 17

Which effect provides direct experimental evidence that light is a transverse rather than a longitudinal wave motion?

Question # 18

When one mirror of Michelson interferometer is moved a distance of 0.5 mm. 2000 fringes are observed, the wavelength of light used is

Question # 19

Wave front is the locus or all points in vibration are in the same

Question # 20

Which type of optical fiber has the largest diameter

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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 A mode of propagation of light through optical fibre in which the light within the fibre is
A. Reflected
B. Refracted
C. Continuously refracted
D. None of these
2 The typical wavelength of the signal which we sent in the optical fibre is
A. 1000 nm
B. 100 m
C. 1.3 mn
D. 1.3μm
3 Sunlight is also partially polarized because of Earth's atmosphere due to scattering by
A. Water vapours
B. Air particles
C. Dust particles
D. All of these
4 In a never system, the repeaters are placed at about
A. 50 km
B. 75 km
C. 100 km
D. 125 km
5 In Newton,s rings apparatus, we also use
A. Spectroscope
B. Telescope
C. Microscope
D. Turn table
6 Huygen's wave front which sends out secondary wavelets with a speed equal to
A. Speed of propagation of the wave
B. Speed of propagation greater than wave
C. Speed of propagation less than the wave
D. None of these
7 In Micheal sons interfrometes apparatus the numbers of mirrors and glas plates are used respectively ara
A. 2,2
B. 2,3
C. 3,2
D. 3,3
8 Which characteristics of wave, established the Huygen's wave theory in 1801?
A. polarization
B. interference
C. propagation
D. all of them
9 A beam of light enters air from water.Which of the following characteristics of light will not change in water
A. Frequency
B. Wavelength
C. Velocity
D. Amplitude
10 The velocity of light in vacuum can be changed by changing:
A. Frequency
B. Amplitude
C. Wavelength
D. None of these

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