Question
the diameter of aperture of planoconvex lens is 6 cm & its maxm thickness is 3mm . If the velocity of light in the material of lens is 2X 108m/s , then what will be its focal length?/
ans 30cm
the diameter of aperture of planoconvex lens is 6 cm & its maxm thickness is 3mm . If the velocity of light in the material of lens is 2X 108m/s , then what will be its focal length?/
ans 30cm