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JEE Mains · Physics · STD 12 - 9. Ray optics and optical instruments

चित्र में दर्शाये अनुसार, माध्यम\(-1\) से गुजरने के बाद, माध्यम\(- 2\) में प्रकाश की चाल \(v _2\) \(.....\times 10^{8}\,ms ^{-1}\) होगी :(दिया है \(c =3 \times 10^8 ms ^{-1}\) )

  1. A \(1.0\)
  2. B \(0.5\)
  3. C \(1.5\)
  4. D \(3.0\)
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Answer & Solution

Correct Answer

(A) \(1.0\)

Step-by-step Solution

Detailed explanation

\(\frac{\mu_{2}}{\mu_{ air }}=\frac{ C }{ V _{2}}\) \(\therefore \frac{\sqrt{\mu_{ r _{2}} \varepsilon_{ r _{2}}}}{(1)}=\frac{ C }{ V _{2}}\) \(\therefore \sqrt{(1)(9)}=\frac{C}{v_{2}}\) \(\therefore v _{2}=\frac{ C }{3}\)
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