See image — AITS & Test Series Chemistry Question

💡 Solution & Explanation

By the conservation of energy 2 2 0 1 1 mv mgh mv 2 2   …(i) By conservation of angular momentum 0 mv R mvR 2  From equation (i) and equation (ii) 0 8gh v 3   k = 8 AITS-PT-I-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 8 Chemistry PART – B SECTION – A