question_answer

A hemispherical glass body of radius 10cm and refractive index 1.5 is silvered on its curved surface. A small air bubble is 6cm below the flat surface inside it along the axis. The position of the image of the air bubble made by the mirror is seen:                                                     [JEE ONLINE 10-04-2016]

           

A) 20 cm below flat surface

B) 30 cm below flat surface

C) 16 cm below flat surface

D) 14 cm below flat surface

Correct Answer: A

Solution :

[a]

1 acts as object for plane surface

20 cm below plane surface