How much water should be filled in a container of 21 cm in height
PHYSICS · Single correct · A Level · Physics · Waves · Waves
Problem
How much water should be filled in a container of 21 cm in height, so that it appears half filled (of actual height of the container) when viewed from the top of the container? (Assume near normal incidence and μw=4/3 )
(a) 8.0 cm
(b) 10.5 cm
(c) 12.0 cm
(d) 14.0 cm