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Grade: 11

                        

what is doppler effect what is coulems law what is electro motive force

2 years ago

Answers : (1)

Arun
24742 Points
							
Dear student
 
Please ask one question only in one thread
 
Doppler effect is a change in frequency and wavelength of a wave. It is caused by the change in distance between the thing creating the wave (causer) and whatever is measuring seeing or hearing the wave (watcher or observer). Another word for "causer" is "sender"
 
 
2 years ago
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