Question

At what speed do electromagnetic waves travel in space during radiation?

Options

• 3 × 10⁶ ms⁻¹

• 3 × 10⁸ ms⁻¹

• 3 × 10¹⁰ ms⁻¹

• 3 × 10⁴ ms⁻¹

Answer 1

3 × 10⁸ ms⁻¹

Explanation:

EM waves used in radiation travel at the speed of light, which is 3×10⁸ ms⁻¹ in space or vacuum.