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

For incident angles equal or greater than the critical angle the glass air boundary will act as a

Question # 2

The light source in the transmitter can be either

Question # 3

A wider objective and the use of blue light of short wavelength produces

Question # 4

A circular scale is attached and graduated in

Question # 5

Which device converts the light signals which these amplified and decoded

Question # 6

One cannot see through fog becuase

Question # 7

Light of wavelength 800 n m is incident on a pair of slits, forming fringes 4.0 mm apart on a screen. What is the fringe when light of 400 nm is used and the slit separation is halved?

Question # 8

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

Question # 9

According to Young s experiment the distance between two adjacent bright fringes of blue light is _____ than for oranges light

Question # 10

The light signals are sent from the source

Question # 11

Which of the following atoms cannot be detected by X-ray crystallography?

Question # 12

For the sustained interference of light the necessary condition is that the two sources should

Question # 13

If the angle of refraction is 90o, for which the angle of incidence is called

Question # 14

For interference to occur the two light waves should be:

Question # 15

In an optical fibre the speed of light is

Question # 16

For the normal setting of a telescope

Question # 17

The speed at which light travels within the material depends upon

Question # 18

Rainbow is formed due to combination of

Question # 19

The magnification of a simple microscope of focal length 5cm is

Question # 20

When sunlight falls on a soap bubble (film), it appears coloured 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 In case of diffraction grating, unit of grating element is:
A. Centimeter
B. Kilometer
C. As that of g
D. as that of angle
2 Spectrum of sun consists of
A. Bright lines
B. Dark lines
C. Bright bands
D. Dark bands
3 In the formulaαamino = 1.22λ/D, D denotes
A. Distance between source and the object
B. Diameter of lens
C. Power of the lens in Diopters
D. None of these
4 The least distance of distinct vision for a normal eye is
A. 15 cm
B. 25 cm
C.
35 cm
D. 1 m
5 In which of the optical fibres, the propagation of light signal is through continuous refraction?
A. multi-mode step index fibre
B. multi-mode graded index fibre
C. both of them
D. none of them
6 The wavefront formed at very large distance from the source is:
A. Cylindrical
B. Spherical
C. Elliptical
D. Plane
7 2 d sin θ = nλ can be used to determine the
A. Inter planar spacing
B. Wavelength
C. Incident angle
D. All of these
8 Huygen's principle states that:
A. Light travels in straight line
B. Light has dual nature
C. Either of these
D. None of these
9 When interference of light takes place
A. Energy is created in the region of maximum intensity
B. Energy is destroyed in region of maximum intensity
C. Conservation of energy hold goods and energy is redistributed
D. Conservation of energy does not hold good
10 Ordinary light has components of vibration in
A. One direction
B. Different direction
C. All directions
D. None of these

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