21. The ratio between kinetic energy and the total energy of the electrons of hydrogen atom according to Bohr's model is (a) \( 2: 1 \) [Pb. PMT 2002] (c) \( 1:-1 \) (b) \( 1: 1 \) (d) \( 1: 2 \)
21. The ratio between kinetic energy and the total energy of the electrons of hydrogen atom according to Bohr's model is (a) \( 2: 1 \) [Pb. PMT 2002] (c) \( 1:-1 \) (b) \( 1: 1 \) (d) \( 1: 2 \)
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