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

A spectrum which contains all wavelengths without any break is called

Question # 2

Magnification of a convex lens is

Question # 3

According to the relation for constructive destructive interference, the point of contact has zero thickness of air so it should have

Question # 4

In diffraction grating has feature/features like

Question # 5

Spectrometer can measure quite accurately prism

Question # 6

In single slit diffraction the condition for second minimum is

Question # 7

In a compound microscope the intermediate image is

Question # 8

The points on a Huygen's wave front which sends out secondary wavelets are also

Question # 9

The focal length of the lens of human eye

Question # 10

Maximum number of orders available with a grating is ______ grating element

Question # 11

Speed of light in vacuum depends upon:

Question # 12

Multimode step index fibre has diameter as

Question # 13

Wavelength of red color as compared to that of violet color is

Question # 14

For a system to transmit thousands of telephones conversations, several television programs and numerous data signals, it need the following number so threads of optical fibre

Question # 15

In Bragg's formula, the path difference should beam integral multiple of the wavelengths

Question # 16

A diffraction pattern is obtained using a beam of red light What will happen if the red light is replaced by blue light?

Question # 17

The distance between different interference fringes are:

Question # 18

The blue color of sky is due to:

Question # 19

The phenomenon of diffraction also contains the phenomenon of

Question # 20

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

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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 Diffraction of X-ray by crystals show that
A. The intensity of X-rays
B. X-rays have very short wavelength
C. X-rays are electromagnetic waves
D. A-rays are just like visible light
2 The resolving power of a grating spectrometer is
3 When crest of one wave coincides with the trough of the other wave, it give rise to
A. dispersion
B. constructive interference
C. destructive interference
D. polarization
4 The apparent size of an object depends on the angle subtended but it at the eye. As the angle increases the size of the object
A. Smaller
B. Larger
C. Very large
D. None of these
5 A ray of light reflected from a dense medium under goes a phase change of:
A. 30°
B. 60°
C. 90°
D. 180°
6 Two sources of waves are called coherent if
A. Both have the same amplitude of vibrations
B. Both produce waves of the same wavelength
C. Both produce waves of the same wavelength having a constant phase difference
D. Both produce waves having the same velocity
7 Which one of the following waves cannot be polarized
A. Radio waves
B. X-rays
C. Transverse waves in a string
D. Longitudinal waves in a gas
8 In case of interference fringes:
A. Energy is destroyed at dark
B. Energy is created at bright fringes
C. Energy is transferred from dark to bright ringes
D. None of these
9 Two sources are said to be coherent if they have:
A. Same amplitude
B. Same wavelength
C. Definite phase relation with each other
D. None of them
10 The astronomical telescope consists of objective and eye piece.The focal length of he objective is
A. Equal to that of the eye piece
B. Greater than that of eye piece
C. Shorter than that of eye piece
D. Five times shorter than that of the eye piece

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