See image — AITS & Test Series Chemistry Question

💡 Solution & Explanation

wall v v k f f v              reflected wall v f f v v k               r v v k f f v v k               beat v v k f f f v v k                 = 1 1 2f k f 1 1 k 1 1 k                  For More Material Join: @JEEAdvanced_2024 AITS-FT-X-PCM(Sol.)-JEE(Main)/2023 FIITJEE Ltd., FIITJEE House, 29-A, Kalu Sarai, Sarvapriya Vihar, New Delhi -110016, Ph 46106000, 26569493, Fax 26513942 website: www.fiitjee.com 5