PhysicsElementary modern physicsJAMB
A photon has energy 3.96 × 10⁻¹⁹ J. Find its frequency. [h = 6.6 × 10⁻³⁴ J s]
Show answer
Answer: C. 6 × 10¹⁴ Hz
f = E/h = 3.96 × 10⁻¹⁹/6.6 × 10⁻³⁴ = 6 × 10¹⁴ Hz.
An AdmitMe practice question, written for the JAMB syllabus. Not an official past question.