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

Television signal are converted into light signals by

Question # 2

In compound microscope image formed is

Question # 3

Huygen's principle states that:

Question # 4

In single slit diffraction the condition for second minimum is

Question # 5

If Young s double slit experiment is immersed in water then the fringes with

Question # 6

Cladding in an optical fiber is used to

Question # 7

In case of reflection of ray within a denser medium, angle of incidnet is ______ -angle of reflection

Question # 8

Wavelength of light, on the average, is given by

Question # 9

The magnifying power of a simple microscope can be increased if we use eye piece of

Question # 10

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

Question # 11

The wavefront formed at very large distance from the source is:

Question # 12

An object is placed between the focus and the optical center of the convex lens. The image formed is

Question # 13

Snell's Law is defined as

Question # 14

An object is placed between two parallel mirrors the number of images formed is

Question # 15

Diffraction of light occurs, due to the interference between rays coming from the same wavefront of

Question # 16

The speed at which light travels within the material depends upon

Question # 17

For interference to occur, the light coming from the two slits should

Question # 18

Which of the following light move faster in water

Question # 19

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

Question # 20

The final image obtained by astronomical telescope is

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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 polarized can be achieved by using process like
A. Coherent sources
B. Diffraction
C. Selective absorption
D. None of these
2 The fringe spacing in case of red light
A. Increases
B. Decreases
C. Remains the same
D. None of these
3 A line which represents the direction of travel of a wave is known as
A. Wave front
B. Locus
C. Ray of light
D. Either b and c
4 If yellow light emitted by sodium lamp in Young's double slit experiment is replaced by blue light of the same intensity:
A. Fringe width will decrease
B. Fringe width will increase
C. Fringe width will remain unchanged
D. Fringe will become less intense
5 A fiber of 50μm diameter capable of carrying white light at ______ distances is called ______ index fiber
A. Large, multi-mode step
B. Small, multi-mode step
C. Small, multi-mode graded
D. Large, single mode step
6 In spectrometer the function of collimator is to produce
A. Diverging beam of light
B. Converging beam of light
C. Parallel beam of light
D. None of these
7 Huygen principle is used to determine:
A. Speed of light
B. Location of wavefront
C. About polarized and unpolarized light
D. None of them
8 When 'θ' is small then
A. tan θ ≈ sin θ
B. cos θ ≈ sin θ
C. sin θ ≈ tan θ
D. None of these
9 The typical wavelength of light source in transmitter is
A. 1.1 μm
B. 1.2 μm
C. 1.3 μm
D. 1.4 μm
10 If tube length of astronomical telescope is 105 cm and magnifying power is 20 for normal setting calculate the focal length of objective
A. 100 cm
B. 10 cm
C. 20 cm
D. 25 cm

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