Take and . Calculate the speed of electromagnetic waves in vacuum, correct to three…

PHYSICS · Subjective · A Level · Physics · Particles and radiation · Particles and radiation

Problem

Take

\mu_0 = 4\pi \times 10^{-7}\,\text{H\,m}^{-1}

and

\varepsilon_0 = 8.854 \times 10^{-12}\,\text{F\,m}^{-1}

. Calculate the speed of electromagnetic waves in vacuum, correct to three significant figures.