Q20. A crow is sitting on a branch of a tree. On the ground surface, wheat grains are spread. The crow flies towards the ground, picks up a grain and sits on the front wall. The possible paths are shown in the diagram. Choose the correct path so that path length becomes minimum. Given that BD = DE, ∠AFB =∠ EFC. Physics — Optics, Nature of Light and Optical Instruments — Question 20 of 155A. ABC B. ADC C. AFC D. AEC Practice more Physics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →