14 cm 7 An insect starts moving up in a liquid from point O

Last updated: 6/10/2023

14 cm 7 An insect starts moving up in a liquid from point O of variable refractive index o 1 ay where y is depth of liquid from the surface If u is the speed of insect its apparent speed to the observer E is a u ln 1 aH u b 1 aH po c u In 1 aH d none E H