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10. A mirror with a reflecting surface that caves inward is said to be A. plane. B. convex. C. concave. D. angular.
A mirror with a reflecting surface that caves inward is said to be concave.
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Asked 10/4/2013 4:45:18 PM
Updated 211 days ago|12/21/2017 11:56:49 AM
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The wavelength of a wave is the distance between A. the crest and the following trough. B. the amplitude and the normal position. C. two consecutive crests. D. the rarefaction and the following compression.
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Updated 276 days ago|10/17/2017 4:13:18 AM
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17. When a tuning fork vibrates over an open pipe and the air in the pipe starts to vibrate, the vibrations in the tube are caused by A. beats. B. reinforcement. C. resonance. D. harmonics.
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4. The factor that affects how easily an electron can be removed from an atom is the A. size of the atom. B. structure of the atom. C. temperature of the environment. D. surrounding atoms
Weegy: The factor that affects how easily an electron can be removed from an atom is the: structure of the atom. (More)
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A substance that contains hydrogen that may be replaced by a metal is a/an A. base. B. nonmetal. C. colloid. D. acid.
Weegy: A substance that contains hydrogen that may be replaced by a metal is an Acid. (More)
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Rays of light incident on a lens and parallel to the principal axis of the lens converge A. at the focal point of the lens. B. in back of the lens. C. in front of the lens. D. at the center of curvature of the lens.
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Updated 199 days ago|1/2/2018 11:16:55 AM
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Rays of light incident on a lens and parallel to the principal axis of the lens converge: At the focal point of the lens.
Added 199 days ago|1/2/2018 9:06:59 AM
This answer has been confirmed as correct and helpful.
Confirmed by Janet17 [1/2/2018 9:09:20 AM]
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