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 double convex lens acts as a diverging lens when the object is

Question # 2

Who confirm the wave theory of light ?

Question # 3

Glare produces when light reflects from water snow and rough road surfaces when their angle of incidence is

Question # 4

The disadvantage of the step-index fibre can be reduced by

Question # 5

In multimode graded index fibre core and cladding has boundary

Question # 6

Sky seems blue due to

Question # 7

The ultra-purity of optical fibre is

Question # 8

Light appears to travel in straight line because

Question # 9

Which of the following spectrum have all the frequencies from high to low frequency range?

Question # 10

The advantage/advantages of fiber optics than radio wave carriers

Question # 11

The variation if focal length of a lens when we pass from the central portion out words (to words the lens edges) is known as

Question # 12

Which property of waves proves that light is a transverse wave?

Question # 13

On a diffraction grating which thing acts as a slit

Question # 14

In compound microscope the focal length of eye piece is

Question # 15

The image of the tip of a needle is never sharp because of

Question # 16

The magnification of a compound microscope of object and eye piece of focal lengths f0and fe, respectively is

Question # 17

Single mode step index fibre is used to send

Question # 18

Which light travels faster in optical fibres?

Question # 19

Which effect provides direct experiment evidence that light is a transverse rather than a longitudinal,wave motion?

Question # 20

Plane microwaves are incident on a long slit having a width of 5 cm.The wavelength of the microwaves if the first minima is formed at 30° is

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MCAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 The idea of light as wave produced by
A. Huygen
B. Newton
C. Thomos Young
D. Michelson
2 Which Phenomenon proves that nature of light is transverse
A. Interference
B. Diffraction
C. Scattering
D. None
3 According to WH Bragg and WL Bragg monochromatic beam of X-rays was reflected form a crystal plane is like a
A. Smooth and regular
B. Mirror
C. Thin film
D. None of these
4 The fiber of which refractive index ______ gradually as move from central core to its periphery is called ______ index fiber
A. Decreases, multi-mode graded
B. Increases, single mode step
C. Either of A or B
D. Increases, multi-mode step
5 Analyzer is use to
A. Polarize the light
B. Un-polarize the light
C. Check whether the light is polarized or un polarized
D. Rotate the plane of polarized light
6 The light signal in an optical fibre is totally confined due to the
A. total internal reflection
B. continuous refraction
C. both of them
D. either of them
7 Geometrical optics cannot give following characteristics for a microscope
A. Image position
B. Image size
C. Resolution of image
D. Any of the above
8 In case of diffraction grating, unit of grating element is:
A. Centimeter
B. Kilometer
C. As that of g
D. as that of angle
9 In Multimode step index fibre the refractive index from its centre to the boundary is
A. 1
B. 1.55
C. 1.52
D. 1.43
10 Which effect provides direct experiment evidence that light is a transverse rather than a longitudinal,wave motion?
A. Light can be diffracted
B. Two coherent light waves can be made to be interfere
C. The intensity of light from a point source falls off inversely as the square of the distance from the source
D. Light can be polarized

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