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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. reinforcement. B. beats. C. resonance. D. harmonics
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Asked 12/5/2018 6:36:14 AM
Updated 112 days ago|6/11/2020 10:26:36 AM
1 Answer/Comment
This answer has been confirmed as correct and helpful.
Confirmed by matahari [6/11/2020 10:26:36 AM]
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User: 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. reinforcement. B. beats. C. resonance. D. harmonics

Weegy: 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 resonance.
Expert answered|Score 1|jeifunk|Points 92753|

User: Which of the following lenses has at least one plane surface? A. Plano-convex lens B. Double-convex lens C. Double-concave lens D. Converging concavo-convex lens

Question
Asked 12/5/2018 6:36:14 AM
Updated 112 days ago|6/11/2020 10:26:36 AM
1 Answer/Comment
This answer has been confirmed as correct and helpful.
Confirmed by matahari [6/11/2020 10:26:36 AM]
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Rating
8
Plano-convex lens has at least one plane surface.
Added 112 days ago|6/11/2020 10:26:36 AM
This answer has been confirmed as correct and helpful.
Rated good by DahJTkfw
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