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JEE Mains · Physics · STD 12 - 10. Wave optics

\(286\, kms ^{-1}\) ની ઝડપે પૃથ્વીથી દૂર ગેલેક્સી ગતિ કરે છે \(630\, nm\) તરંગલંબાઈમાં શિફ્ટ  \(x \times 10^{-10}\, m\) હોય તો \(x=.............\) 

  1. A \(2\)
  2. B \(3\)
  3. C \(9\)
  4. D \(6\)
Verified Solution

Answer & Solution

Correct Answer

(D) \(6\)

Step-by-step Solution

Detailed explanation

\(\frac{\Delta \lambda}{\lambda} c=v\) \(\Delta \lambda=\frac{v}{c} \times \lambda=\frac{286}{3 \times 10^{5}} \times 630 \times 10^{-9}=6 \times 10^{-10}\)
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