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

In an astronomical telescope is the objective has the focal length fo is

Question # 2

In light waves, the components of electric and magnetic fields are

Question # 3

Using monochromatic light, interference fringes are produced on a screen placed a distance D from a pair of slits of separation a.
The separation of the fringes is X.
a is now halved and D is increased by a factor of 4.
What is the new fringe separation?

Question # 4

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

Question # 5

When the length of a microscope tube increases its magnifying power

Question # 6

The experimental evidence in support of wave theory in Huygen's time was

Question # 7

The speed at which light travels within the material depends upon

Question # 8

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

Question # 9

A circular scale is attached and graduated in

Question # 10

Which one of the following can act approximately as a source of monochromatic light

Question # 11

If a lens is cut into two piece perpendicular to the principal axis and only part is used the intensity of the image:

Question # 12

Successive dark and bright fringes are formed each time the moveable mirror in Michelsion's interferometer is moved a distance

Question # 13

The study of atomic structures of crystals by X-rays was started in

Question # 14

Intensities of the two waves of light are I and 4I.The maximum intensity of the resultant wave after superposition is

Question # 15

Just before  setting the sun may appear to be elliptical This happens due to

Question # 16

If 5000 lines/cm are ruled on a diffraction grating, the element is:

Question # 17

An object is placed at a distance 18 cm from a convex lens. The image is formed at a distance of 9 cm the focal length of the lens is

Question # 18

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

Question # 19

What is the main cause of the shinning of diamond?

Question # 20

The practical use of services by optic fiber 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 normal human eye can focus a sharp image of an object located anywhere form infinity to a certain point called
A. Far point
B. Near point
C. distant point
D. None of these
2 The light which has components in all directions is called
A. unpolarized light
B. polarized light
C. intense light
D. none of them
3 Ordinary light has components of vibrations in
A. one direction only
B. two directions
C. four directions
D. all directions
4 Graham Bell photo phone used a modulated beam of
A. Reflected sun light
B. Refracted sun light
C. Diffracted sun light
D. None of these
5 Which of the following is an optically active material
A. Solution of cane sugar
B. Liquid nitrogen
C. Mercury
D. Polaroid
6 A lens of 2 cm focal length is to be used as a magnifying glass. Its magnification is
A. 13.5
B. 12.5
C. 0.5
D. 2.5
7 To wavelength of light by his experiment , Newton utilized:
A. Wavelength of light
B. Intensity of light
C. amplitude wave
D. None of above
8 The dichronic substances are used in the process getting plane polarized light
A. Selective absorption
B. Refraction through crystals
C. Reflection from different surfaces
D. None of these
9 In case of point source of light, shape of wavefront is:
A. Spherical
B. Cylindrical
C. Plane
D. None of these
10 The path difference and phase difference are related to each other as
A. Phase difference = (2π) x path difference
B. Phase difference = (2π/λ) x path difference
C. Phase difference = (λ/2) x path difference
D. Phase difference = (2λ/π) x path difference

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