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

Try The 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

Wavelength of X-rays falling at a glancing angle of 30° on a crystal with atomic spacing 2 x 10-10m for first order diffraction is

Question # 2

Which of the following atoms cannot be detected by X-ray crystallography?

Question # 3

Which electromagnetic wave would cause the most significant diffraction effect for an atomic lattice of spacing around 10-10m?

Question # 4

The polarized can be achieved by using process like

Question # 5

Two light sources obtained from single source are called

Question # 6

The resolving power of human eye is

Question # 7

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

Question # 8

In Newton's rings the thickness of air film at the point of contact is

Question # 9

The minimum distance between a source and the screen for which a real image is possible with a convex lens is

Question # 10

An optical instrument used to see very far off objects is called

Question # 11

The typical wavelength of light source in transmitter is

Question # 12

The lower refractive index the fibre core has

Question # 13

Who confirm the wave theory of light ?

Question # 14

If the two reflected waves reinforce each other then the firm as seen from the parallel beam of monochromic light will look

Question # 15

Whenever high magnification is desired

Question # 16

The waves produced in a stretched string are called

Question # 17

Such type of fibre in which center core is of high refractive index and the layer over the central core is low refractive index is called

Question # 18

The bottom of a container filled with liquid appear slightly raised because of

Question # 19

Who attempted to measure the speed of light

Question # 20

While viewing a distant object with a telescope suddenly a housefly sits on objective lens.The correct statement is that

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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 Which device converts the light signals which these amplified and decoded
A. Photo cell
B. Photo diode
C. Photo transistor
D. None of these
2 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
A. Screws of the spectrometer
B. Leveling screws
C. Turn table screw
D. None of these
3 Which one of the following phenomena is not explained by Huygen's construction of wavefront?
A. Refraction
B. Reflection
C. Diffraction
D. Origin of spectra
4 In Newton,s rings apparatus, we also use
A. Spectroscope
B. Telescope
C. Microscope
D. Turn table
5 A glass plate on which a large number of very fine equidistant parallel lines are drawn is called
A. convex lens
B. thin film
C. diffraction grating
D. interferometer
6 The light from the sun reaches to earth with wavefronts
A. Spherical
B. Cylindrical
C. Plane
D. None of these
7 A diffraction grating contains 5000 lines per centimeter, its grating element will be
A. 1 x 10-4nm
B. 1 x 10-14m
C. 1 x 10-14cm
D. 1 x 10-4cm
8 A beam of light enters air from water.Which of the following characteristics of light will not change in water
A. Frequency
B. Wavelength
C. Velocity
D. Amplitude
9 In Newton's rings the point of contact of the lens and the glass plate, the air film is
A. Minimum
B. Maximum
C. Zero
D. None of these
10 If the magnification M1 = 20.0 for objective and M2 = 12.0 then total magnification is
A. 200
B. 240
C. 260
D. 280

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