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 superposition of the two waves of same frequency and amplitude travelling in the same direction gives rise to an effect called:

Question # 2

In YDS experiment, data given isλ= 500 nm, L = 100 cm,Δy comes out to be

Question # 3

Optical fibres function on the principle of

Question # 4

In Newton s rings the central spot appears dark due to

Question # 5

According to Huygen's principle, every point of a wavefront may be considered as a source of

Question # 6

In Young s experiment the distance between two adjacent fringes for blue light is than that for green light

Question # 7

Certain light of wavelength 600 nm is used to view an object under the microscope. If the aperture of its objective is 1.22 cm, then the limiting angle of resolution will be

Question # 8

If the light travels in a straight line, the central region should appear

Question # 9

Focal length of convex lens is maximum for

Question # 10

Which part of the spectrum is most visible?

Question # 11

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

Question # 12

Maximum detail of object can be seen from a microscope wen light used is of

Question # 13

A convex lens is dipped in a liquid whose refractive index is equal to the material of the lens. Then its focal length will become

Question # 14

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

Question # 15

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

Question # 16

A ______ lens is used in the apparatus to get Newton,s rings

Question # 17

Ordinary light has components of vibration in

Question # 18

Conventionally, all the distances p, q, f, are measured from ______ of the lens

Question # 19

A diffraction grating of length 2cm has 4000 lines The grating element is

Question # 20

In YDS experiment, data given isλ=500 nm, d=1 mm, L=100cm,∆y come out to 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 The frequency of light ray is 6 x 1014 Hz. The frequency when it propagates in a medium of refractive index 1.5 will be
A. 6 x 1014 Hz
B. 4 x 1014 Hz
C. 9 x 1014 Hz
D. 1.67 x 1014 Hz
2 Which one of the following phenomenon cannot be explained on the bases of Huygen's theory?
A. Refraction
B. Reflection
C. Diffraction
D. Formation of spectrum
3 Television signal are converted into light signals by
A. Decoder
B. Transistor
C. Photodiode
D. Optical fibre
4 The property of light which does not change with the nature of the medium is:
A. Frequency
B. Amplitude
C. Wavelength
D. None of these
5 On a diffraction grating which thing acts as a slit
A. the lines which are ruled on it
B. the spacing between the lines
C. either of them
D. none of them
6 Inverse square law for luminance is valid for
A. Search light
B. Isotropic point source
C. Cylindrical source
D. All types of sources
7 The position of a new wavefront after a certain interval of time can be found by constructing a surface that is
A. A tangent
B. A tangent envelope
C. Curved surface
D. None of these
8 When seen in green light the saffron and green portions of our National Flag will appear to be
A. Black
B. Black and green respectively
C. Green
D. Green and yellow respectively
9 The digital modulation is expressed in
A. Bytes
B. Codes
C. Bits
D. None of these
10 Which of the following cannot be polarized?
A. x-rays
B. light rays
C. sound waves
D. ultraviolet rays

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