RRB ટેકનિશિયન 2013 પ્રશ્ન 30
પ્રશ્ન: પ્રકાશનો વેગ કોણે માપ્યો હતો?
વિકલ્પો:
A) રોમર
B) ગેલિલિયો
C) ન્યૂટન
D) કેપલર
Show Answer
જવાબ:
સાચો જવાબ: A
ઉકેલ:
- ઉપલબ્ધ નથી
BETA
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