in vacuum
A concave mirror of focal length f, in vacuum, is placed in a medium of refractive index 2. Its focal length in the medium is :
29
Oct
A concave mirror of focal length f, in vacuum, is placed in a medium of refractive index 2. Its focal length in the medium is : A concave mirror of focal length f in vacuum is placed in a medium of refractive index 2. Its focal length in the medium is : October 29, 2020 [...]