The energy of an electron in the first Bohr orbit of hydrogen atom is –(2)18 × 10–18 J. Its energy in the third Bohr orbit is ________________ (A) One third of this value (B) Three times of this value

Question

The energy of an electron in the first Bohr orbit of hydrogen atom is –(2)18 × 10–18 J. Its energy in the third Bohr orbit is ________________

(A) One third of this value
(B) Three times of this value
(C) 27 1 of this value
(D) 1 the of this value

Prashant Kotian · Accepted Answer

Correct answer: D. (EH)n=1 = –2.18 × 10–18J (EH)nth = (EH)n=1 × n (EH)n=3 = (EH)n=1 × 1 Ans. 4

💡 Solution & Explanation