Optical Physics MCQs
Optical Physics MCQs
Try to answer these 20 Optical Physics MCQs and check your understanding of the Optical Physics subject.
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1: _______ telescopes use mirrors to bring light to focus.
A. Apochromatic Telescopes
B. Reflecting telescope
C. Achromatic Telescopes
D. Superachromat Telescopes
2: Light reflecting from a horizontal surface is likely to be polarized _________.
A. A dark fringe is produced
B. Horizontally
C. Interference
D. Blue light
3: The number of wave cycles that pass in one second is called the _______ of the wave.
A. Wavelength
B. Primary
C. Interferometry
D. Frequency
4: The variable k is called the __________ of the wave.
A. Wavenumber
B. Wavelength
C. Velocity
D. Frequency
5: Slides are placed upside down in a slide projector to correct for the _______ image produced.
A. Inverted
B. Magnified
C. Virtual
D. Small size of the image
6: The image seen in a plane mirror is located __________.
A. Behind the mirror
B. In front of the mirror
C. At the surface of the mirror
D. At the position of the object
7: When viewing an object that is immersed in water, the image that is formed is __________.
A. A real image
B. At the same place the object is
C. A virtual image
D. Farther away than the object is
8: Yellow light + blue light = _______ light
A. White
B. Green
C. Magenta
D. Cyan
9: An object is placed as shown in front of a concave mirror. the image of the object will be _____.
A. Always be real.
B. Always be virtual.
C. Be either real or virtual.
D. Will always be magnified
10: Specular reflection is common in the light reflected from _________.
A. A mirror
B. Inverted
C. Smaller
D. Converging
11: The focal length is the distance from the midline of the lens to the _____.
A. Image object
B. Focal point
C. 2F position
12: Light is one form of ________________ radiation.
A. Electromagnetic
B. Time
C. Distance
D. Energy
13: Light travels _____ than ""the speed of light"" when it is not in a vacuum.
A. Slower
B. Faster
C. Equal
14: Light travels a path from one location to another in the least _________.
A. Time
B. Distance
C. Energy
15: Refracted light that bends away from the normal is light that has _______.
A. Slowed down.
B. Sped up.
C. Nearly been absorbed.
D. Diffracted
16: The electric vectors that make up polarized light are _________.
A. Aligned
B. Slowed down.
C. Sped up.
D. Nearly been absorbed
17: The retina's central focal point is the __________, which contains only cones, no rods.
A. Fovea
B. Retinal
C. Intensity
D. None of these
18: Any bending of light that is not reflected or refracted is due to _________.
A. A hinderance
B. Diffraction
C. Is rotated
D. Interference
19: In the way that a magnifier is usually used, the object is placed __________.
A. In contact with the lens
B. At the far point of the eye
C. At the near point of the eye
D. At the focal point of the lens
20: The angular size of the smallest features that a telescope can see is called the angular ________.
A. Resolution
B. Retina
C. Pupil
D. Optic nerve
21: The image of a distant scene produced by a telescope objective is ___
A. Real, inverted image
B. Binoculars
C. Digital cameras
D. Total internal refelction
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