राडार का आविष्कारक कौन था ? – McqOptions

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1.	राडार का आविष्कारक कौन था ?
A.	रॉबर्ट वाटसन
B.	फ्लेमिंग
C.	बुशनेल
D.	ऑस्टिन
Answer» B. फ्लेमिंग

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