1.

25. Velocity of the electron in the 1st Bohr orbit of H-atom is2) 2.18 x 108 m/sec1) 2.18 × 108 cm/sec3) 2.18 x 1016 cm/se4) 36559 × 108 cm/sec

Answer»

Answer is option A(2.189×100000000)



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