Question

a man floating in a boat on a lake sees an image of an airplane in the water at the same time he hears a plane and turns to see the source of the sound in the sky . why an image of the plane appears in the water

Answer 1

because the plane has a reflection on the lake like if you have with reflection on the sidewalk from the Sun

Answer 2

A plane apears because water reflects so if theres a plane in the sky it will reflect on the water