The threshold frequency for a metal is 6.0 × 10¹⁴ Hz. What is the work function in joules? (h = 6.626 × 10⁻³⁴ J s)
W₀ = hν₀ = 3.9756×10⁻¹⁹ J.
Ref: NCERT Class 11 Chemistry > Chapter 2: Structure of Atom > Topic: Quantum Numbers - Principal Azimuthal Magnetic Spin