A thin oil layer floats on water. A ray of light making an angle of incidence of \[40{}^\circ \] shines on oil layer. The angle of refraction of light ray in water is (\[{{\mu }_{oil}}=1.45,\,{{\mu }_{water}}=1.33\]) [MP PMT 1993]

• A. \[36.1{}^\circ \]                                      
• B. \[44.5{}^\circ \]
• C. \[26.8{}^\circ \]
• D. \[28.9{}^\circ \]