The frequency of the spectral line emitted when an electron jumps from n = 4 to n = 3 is given by f = ΔE / h.
Q1. The frequency of the spectral line emitted when an electron jumps from n = 4 to n = 3 is given by f = ΔE / h.
Answer: 1.59 × 10¹⁴ Hz
Explanation: Calculate ΔE = E4 - E3, then convert to Joules and divide by h to get f = 1.59 × 10¹⁴ Hz.