[" 51.The diameter of an eye lens is "2.5times10^(-3)m" and "],[" the refractive index of the eye lid is "1.44." The "],[" resolving power of the eye for light of "],[" wavelength "5000A^(0)" will be - "(" in minute- "^(-1)" ) "],[[" 1) "1.07," 2) "0.86],[" 3) "1.71," 4) "1.14]]