Question

Microwave ovens emit microwave energy with a wavelength of 13.0 cm. What is the energy of exactly one photon of this microwave radiation?

Answer 1

E = hc/wavelength
Convert wavelength to m

Answer 2

Use:
E = hc/λ

Where:
Planck Constant: h = 6.62606957(29)×10⁻³⁴<i>J∙s</i>
Speed of Light: c = 2.99792458×10⁺⁹<i>m∙s^-1</i>
Wavelength: λ = 0.130<i>m</i>