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

In compound microscope image formed is

Question # 2

On a diffraction grating which thing acts as a slit

Question # 3

Mirage is a phenomenon due to

Question # 4

Wave length of red colour as compared to that of violet colour is:

Question # 5

A prism splits a beam of white light into seven component colors. This is so because

Question # 6

The central point in the Newton's rings is dark due to

Question # 7

Reflection of light from water, glass, snow and rough road surfaces, for larger angle of incidences, produces

Question # 8

The ratio of size of the image to the size of the object is called

Question # 9

To find wavelength of light by his experiment. Newton utilized:

Question # 10

If the distance of a surface from light source is doubled,then the luminance will become

Question # 11

For obtaining equal and same height mirror should be

Question # 12

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

Question # 13

In normal adjustment, the length of the telescope is

Question # 14

On a rainy day if there is an oil drop on tar road colored rings are seen around this drop This is because of

Question # 15

A spectrometer is an optical device used to study the spectra from different sources of light which is

Question # 16

In Newton,s rings apparatus, we also use

Question # 17

With tremendous information carrying capacity is called

Question # 18

The velocity of light in vacuum can be changed by changing:

Question # 19

Optically active substance are those substance which

Question # 20

A diffraction grating contains 5000 lines per centimeter, its grating element will be

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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 shortsighted person can see clearly
A. Near objects
B. Far objects
C. Objects at 25 cm
D. Objects at infinity
2 Which electromagnetic wave would cause the most significant diffraction effect for an atomic lattice of spacing around 10-10m?
A. microwave
B. infrared
C. ultraviolet
D. X-ray
3 One angstrom equal:
A. 10-8m
B. 10-9m
C. 10-10m
D. 10-11m
4 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
5 Newton's rings are formed due to:
A. Manetisation
B. Diffractin
C. Interference
D. Polarization
6 Star twinkle due to
A. The fact that they do not emit light continously
B. The refractive index of earth's atmosphere fluntuates
C. The star's atmosphere absorbs its light intermittently
D. None of these
7 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
8 Which of the following is not an advantages of using optical fibres over copper cables?
A. signal attenuation
B. number of signals carried per wire
C. cost of installation
D. none of the above
9 In Young's double slit experiment, the widths of dark and bright fringes are
A. different
B. equal
C. zero
D. variable
10 A converging lens in used to from an image on a screen when the upper half of the lens is covered by an opaque screen
A. Half the image will disappear
B. No change either in size or in intersity
C. Intensity of image will increase
D. Intensity of the image will decrease

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