Mmetụta Doppler na Ebili Ụda
Mmetụta Doppler na Ebili Ụda Mmetụta Doppler bụ ihe anyị na-ahụ kwa ụbọchị ná ndụ anyị, ọtụtụ mgbe n'amaghị ama. Aha ya bụ aha onye ọkà mmụta sayensị Austria bụ Christian Doppler, onye buru ụzọ tụọ aro ya na 1842, Doppler Effect na-akọwa mgbanwe na ugboro ole ma ọ bụ ogologo ebili mmiri nke ebili mmiri n'ihe gbasara onye na-ekiri ihe na-eme ... Gụkwuo