Radiation coming from transitions n = 2 to n = 1 of hydrogen atoms fall on H e + ions in n = 1 and n = 2 states. The possible transition of helium ions as they absorb energy from the radiation is:

Question

Radiation coming from transitions n = 2 to n = 1 of hydrogen atoms fall on H e + ions in n = 1 and n = 2 states. The possible transition of helium ions as they absorb energy from the radiation is:, n = 2 ⟶ n = 3, n = 2 ⟶ n = 4, n = 2 ⟶ n = 5, n = 1 ⟶ n = 4

MARKS App · Accepted Answer

E = 13.6 1 1 1 - 1 2 2 e V . . . ( 1 ) For Helium: E = 13.6 2 2 1 n 1 2 - 1 n 2 2 e V . . . ( 2 ) From equation ( 1 ) and ( 2 ) 13.6 3 4 = 13.6 4 1 n 1 2 - 1 n 2 2 1 n 1 2 - 1 n 2 2 = 3 16 From option, n 1 = 2 and n 2 = 4 are satisfying the equation.

Search any question & find its solution

Looking for more such questions to practice?