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 resolution of microscope depends on objective's

Question # 2

The focal length of the lens of human eye

Question # 3

What is the time taken by light to travel 4 mm in a material of refractive index 3

Question # 4

The refracting edge of the prism must be parallel to the axis of rotation of the telescope, so that the turn table is leveled using

Question # 5

The waves propagate in space by the motion of the

Question # 6

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

Question # 7

Cladding means a layer of ______ refractive index over the central core of ______ refractive index

Question # 8

Which of the following colors will have minimum critical angle when light passes from glass to air

Question # 9

In Huygen's wave theory the locus of all points in the same state of vibration is called

Question # 10

In case of diffraction grating, unit of grating element is:

Question # 11

Electromagnetic waves transport:

Question # 12

Polaroid glass is used in sun glasses because

Question # 13

Due to Plano convex lens and the plane glass plate the thickness of air film changes from the center to outward

Question # 14

A _____ lens is used in the apparatus to get newton's ring:

Question # 15

A diffraction grating has 500 liens per mm. its slit spacing or grating element will

Question # 16

The idea of Michelsion's interferometer is based on the

Question # 17

The light which has components in all directions is called

Question # 18

In case of interference fringes:

Question # 19

Light is a type of energy which produces sensation of

Question # 20

A compound microscope is consists of objective 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 An object is placed at a distance of 200 cm from a convex lens of focal length 10 cm the linear magnification is
A. 1/3
B. 2/3
C. 3/4
D. None
2 We can observe only when the grating spacing is
A. of the order of the wavelength used
B. greater than the wavelength used
C. less than the wavelength used
D. any one of them
3 Angle between ray of light and the corresponding wavefront is:
A. 0°
B. 60°
C. 90°
D. 120°
4 Measurement of a standard metre in terms of the wavelength of red cadmium light is
A. 1,563,163.5
B. 1,553,363.5
C. 155,553.5
D. 1,553,163.5
5 The speed of secondary wavelets as mentioned in Huygen's principle is______the speed of propagation of the wave itself:
A. Equal to
B. Greater than
C. Smaller than
D. None of these
6 A converging lens in used to from an image on a screen when the upper half of the lens is covered by an opaque screen
A. Half the image will disappear
B. No change either in size or in intersity
C. Intensity of image will increase
D. Intensity of the image will decrease
7 How are X-rays diffracted by crystals in X-rays crystallography?
A. they bounce off the nucleus
B. they are diffracted whey they pass from between them acting as a slit
C. they are diffracted by the electron clouds in the atoms
D. they hit the side the nucleus and change direction and thus are diffracted
8 How is the interference pattern in Young's double slit experiment affected if the sodium light is replaced by red light of the same intensity
A. The fringes will vanish
B. The fringes will become brighter
C. The fringes will increase
D. The fringes will decrease
9 If the bright fringe into be observed then we have relation
A. Y = mLd/λ
B. Y = mλL/d
C. Y = λd/mL
D. Y = λL/md
10 The waves produced in a stretched string are called
A. Stationary waves
B. Mechanical waves
C. Transverse mechanical waves
D. None of these

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