bantuin lagi kak fisika

FENOMENA KUANTUM
▶Frekuensi Cahaya

W₀ = 3,72 × 10⁻¹⁹ J
Ek = 2 × 10⁻¹⁹ J

Energi Foton :
E = W₀ + Ek
E = (3,72 + 2) × 10⁻¹⁹
E = 5,72 × 10⁻¹⁹ J

E = h f
5,72 × 10⁻¹⁹ = 6,63 × 10⁻³⁴ × f
f ≈ 8,63 × 10¹⁴ Hz ✔ [A]