यदि वायु में प्रकाश का वेग 3×10^8 मीटर / सेकंड है तो कांच में प्रकाश का वेग ज्ञात कीजिए?
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1
depends on the quality and refrective index of glass, but definitely less than the air
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0
kach me prakas ka weg
3lakhkm/sec
it is your answer.
3lakhkm/sec
it is your answer.
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