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Optical Physics MCQ

The image of a distant scene produced by a telescope objective is ___

Answer

Correct Answer: Real, inverted image

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The angular size of the smallest features that a telescope can see is called the angular ________.

Answer

Correct Answer: Resolution

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In the way that a magnifier is usually used, the object is placed __________.

Answer

Correct Answer: At the focal point of the lens

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Any bending of light that is not reflected or refracted is due to _________.

Answer

Correct Answer: Diffraction

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The retina's central focal point is the __________, which contains only cones, no rods.

Answer

Correct Answer: Fovea

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The electric vectors that make up polarized light are _________.

Answer

Correct Answer: Aligned

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Refracted light that bends away from the normal is light that has _______.

Answer

Correct Answer: Sped up.

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Light travels a path from one location to another in the least _________.

Answer

Correct Answer: Time

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Light travels _____ than ""the speed of light"" when it is not in a vacuum.

Answer

Correct Answer: Slower

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Light is one form of ________________ radiation.

Answer

Correct Answer: Electromagnetic

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The focal length is the distance from the midline of the lens to the _____.

Answer

Correct Answer: Focal point

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Specular reflection is common in the light reflected from _________.

Answer

Correct Answer: A mirror

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An object is placed as shown in front of a concave mirror. the image of the object will be _____.

Answer

Correct Answer: Be either real or virtual.

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Yellow light + blue light = _______ light

Answer

Correct Answer: White

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When viewing an object that is immersed in water, the image that is formed is __________.

Answer

Correct Answer: A virtual image

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The image seen in a plane mirror is located __________.

Answer

Correct Answer: Behind the mirror

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Slides are placed upside down in a slide projector to correct for the _______ image produced.

Answer

Correct Answer: Inverted

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The variable k is called the __________ of the wave.

Answer

Correct Answer: Wavenumber

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The number of wave cycles that pass in one second is called the _______ of the wave.

Answer

Correct Answer: Frequency

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Light reflecting from a horizontal surface is likely to be polarized _________.

Answer

Correct Answer: Horizontally

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_______ telescopes use mirrors to bring light to focus.

Answer

Correct Answer: Reflecting telescope

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