NEET · Physics · STD 12 - 10. Wave optics
Due to Doppler effect, the shift in wavelength observed is \(0.1\;\mathring A \), for a star producing a wavelength \(6000\;\mathring A \). The velocity of recession of the star will be ....... \(km/sec\)
- A \(2.5\)
- B \(10\)
- C \(5 \)
- D \(20 \)
Answer & Solution
Correct Answer
(C) \(5 \)
Step-by-step Solution
Detailed explanation
\(\frac{\Delta \lambda}{\lambda}=\frac{v}{c}\) \(\frac{0.1}{6000}=\frac{v}{3 \times 10^{8}}\)
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