When a glass lens with μ = 1.47 is immersed in a trough of liquid, it looks to be disappeared. The liquid in the trough could be
A. water
B. kerosene
C. glycerine
D. alcohol
Answer:C
When a glass lens with μ = 1.47 is immersed in a trough of liquid, it looks to be disappeared. The liquid in the trough could be
A. water B. kerosene C. glycerine D. alcohol