1.Find the ratio of resolving powers of an optical microscope for two wavelengths λ1=4200 A˚\lambda_1 = 4200\,\text{\AA}λ1=4200A˚ and λ2=7200 A˚\lambda_2 = 7200\,\text{\AA}λ2=7200A˚.a.7/127/127/12b.12/712/712/7c.6/76/76/7d.6/146/146/14Login to continueOnly logged in users canattempt or see the solution.