The focal length of a concave mirror in air is f . When the mirror is immersed in a…
Physics · Class 12 · CBSE — Ray Optics & Optical Instruments
The focal length of a concave mirror in air is \(f\) . When the mirror is immersed in a liquid of refractive index \(\frac{5}{3}\) , its focal length will become
- \(\frac{5}{3} {f}\)
- \(\frac{3}{5} {f}\)
- \(\frac{2}{3} {f}\)
- f
Answer
(D) f
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