JEE mains 2024: If a rubber ball falls from a height h and rebounds upto the height of h/2

JEE mains 2024: If a rubber ball falls from a height h and rebounds upto the height of h/2. The percentage loss of total energy of the initial system as well as velocity ball before it strikes the ground, respectively, are
(1) 50%, root(gh)
(2) 50%, root(gh/2)
(3) 50%, root(2gh)
(4) 40%, root(2gh)
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