एक्स-रे का आविष्कार किसने � – McqOptions

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1.	एक्स-रे का आविष्कार किसने किया था?
A.	मोर्स
B.	रॉन्टजन
C.	हॉपकिन्स
D.	मार्कोनी
Answer» C. हॉपकिन्स

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