Question

A layer of liquid (u= 1.56) 6cm deep floats on
water (u = 1.33) 4cm deep. When viewed
vertically through air, the apparent distance of
the bottom of vessel below the top of free
surface of liquid is nearly​

Answer 1

Answer:

is there is the is my to to z's so sorry to see

Answer 2

furst condition apply then apply second condition