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Grade 11Organic Chemistry

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

Profile image of chanddhana
7 Years agoGrade 11
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1 Answer

Profile image of Arun
7 Years ago
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"