A tuning fork which vibrates at 256 Hz is struck. A nearby tuning fork that also naturally vibrates at 256 Hz starts to vibrate without being struck. This demonstrates the principle of

a. sonar
b. resonance
c. diffraction
d. the Doppler effect

Question

A tuning fork which vibrates at 256 Hz is struck.  A nearby tuning fork that also naturally vibrates at 256 Hz starts to vibrate without being struck.  This demonstrates the principle of
	
a. sonar	
b. resonance	
c. diffraction	
d. the Doppler effect

anonymous · Answer

B

anonymous · Answer

Can you please look at my question ! :‚ would be greatly appreciated