question_answer

A person working on the transmission of a car accidentally drops a bolt into a tray of oil. The oil is 5.00 cm deep. The bolt appears to be 3.40 cm beneath the surface of the oil when viewed from directly above. What is the index of refraction of the oil?

A)  1.33    

B)  1.47          

C)  1.68                

D)  2.0