When a body capable of oscillating is acted on by a periodic series of impulses having a frequency equal to one of the natural frequencies of oscillation of the body,the body is set in vibration with relatively large amplitude.This phenomenon is known as
A)beats.
B)harmonics.
C)overtones.
D)resonance.
E)pressure amplitude.

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The Answer of When a body capable of oscillating is acted on by a periodic series of impulses having a frequency equal to one of the natural frequencies of oscillation of the body,the body is set in vibration with relatively large amplitude.This phenomenon is known as
A)beats.
B)harmonics.
C)overtones.
D)resonance.
E)pressure amplitude.

When a Body Capable of Oscillating Is Acted on by a Periodic