A) \[0.8f, 0.8\lambda \]
B) \[1.2\,f,\, 1.2\lambda \]
C) \[1.2f,\,\,\lambda \]
D) \[f,\, 1.2\lambda \]
Correct Answer: C
Solution :
\[{{f}_{apparent}}=\left( \frac{u+u/5}{u} \right)f=\frac{6}{5}f=1.2f\] Wavelength remains constant (unchanged) in this case.You need to login to perform this action.
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