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

The central ring is bright in case of newton's ring produced by:

Question # 2

Inverse square law for luminace is valid for

Question # 3

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

Question # 4

Who gave the idea of light as wave ?

Question # 5

In spectrometer the function of collimator is to produce

Question # 6

Inspite of different dispersion, all the wavelengths arrive at the other end of the fibre at the same time. With a step-index fibre overall time difference may be about

Question # 7

To get high resolving power for a telescope one should use

Question # 8

The optical resolution of microscope or a telescope tells us how close together, the two point sources of light can be so that they are still seen as two separate sources

Question # 9

Ordinary light has components of vibrations in

Question # 10

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

Question # 11

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

Question # 12

A typical diffraction grating has lines per centimeter

Question # 13

The materials which are used in selective absorption method to polarize the light are

Question # 14

Near and far points of a healthy human eye respectively are

Question # 15

If the focal length of objective is 10 mm find its magnification

Question # 16

Fraunhofer's lines commonly visible in the sun's spectrum are examples of

Question # 17

If a point source of light is placed at the focus of a convex lens the rays coming out of the lens will constitute

Question # 18

The total magnification of a combination of two lenses having individual magnification M1 and M2 is

Question # 19

The transmission of information by light waves may be

Question # 20

The bottom of a container filled with liquid appear slightly raised because of

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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 The minimum distance between a source and the screen for which a real image is possible with a convex lens is
A. Its focal length
B. Twice the focal length
C. Four times the focal length
D. Square of the focal length
2 The ratio of the diameter of two convex lenses is the ratio of their focal lengths
A. Greater than
B. Less than
C. Equal to
D. None
3 The experimental evidence in support of wave theory in Huygen's time was
A. not present
B. not convincing
C. convincing
D. none of them
4 A ______ lens is used in the apparatus to get Newton,s rings
A. Plano-concave
B. Plano-convex
C. Convexo-concave
D. Double convex
5 The diffraction grating is used to determine
A. Intensity of light
B. Wavelength of light
C. Refractive index of prism
D. None of these
6 For single slit diffraction the first minimum occurs when
A. dsinθ = λ
B. dsinθ = λ/2
C. dsinθ = 2λ
D. dsinθ = mλ
7 Which of the following frequency ranges includes most of the electromagnetic waves emitted by the ultra - violet tubes used in a sun bed?
A. 5 x 105 to 5 x 108 Hz
B. 5 x 108 to 5 x 1011 Hz
C. 5 x 1011 to 5 x 1014 Hz
D. 5 x 1014 to 5 x 1017 Hz
8 Spectrum of sun consists of
A. Bright lines
B. Dark lines
C. Bright bands
D. Dark bands
9 Diffraction is concerned with the superposition of
A. very large number of secondary wavelets
B. a few secondary wavelets
C. two secondary wavelets
D. no secondary
10 The object is placed at the principle focus of a simple microscope if the focal length of the lens is 2cm what is the magnifying power of the microscope
A. 13.5
B. 12.5
C. Infinity
D. None of these

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