Question

A VESSEL CONTAIN WATER UPTO A HEIGHT OF 20 CM AND ABOVE IT AN OILUPTO ANOTHER 20CM. THE REFRACTIVE INDICES OF THE WATER AND THE OIL AER 1.33 AND 1.30 RESPECTIVELY. THE APPAENT DEPTH OF THE VESSEL WHEN VIEWED FROM ABOVE IS ?

Answer 1

Answer:

μ=

Apparentdepth

Realdepth

h

1

=real depth 1

h

2

=real depth 2

h'= apparent depth

h'=

μ

1

h

1

+

μ

2

h

2

h'=

1.33

20

+

1.30

20

= 15.03+15.38

= 30.41 cm.