JEE Main 202523 Jan, Evening shiftPhysicsEasyOptics190× since 2002A concave mirror of focal length fff in air is dipped in a liquid of refractive index μ\muμ. Its focal length in the liquid will be:AOption A. μf\mu fμfBOption B. fffCOption C. f(μ−1)\dfrac{f}{(\mu - 1)}(μ−1)fDOption D. fμ\dfrac{f}{\mu}μfCheckSkip · show solution
