Match each physical constant to its value.

Exercise and reference answers

Matching pairs

1. Left

   Speed of light (c)

   Right

   3 × 10⁸ m/s

2. Left

   Planck constant (h)

   Right

   6.63 × 10⁻³⁴ J·s

3. Left

   Electron charge (e)

   Right

   1.6 × 10⁻¹⁹ C

Instructions

Pair the constant with its value (SI units).

Explanation