ExamPlay Light Logo
Είσοδος

Physics for IGCSE & O level - Rays And Waves (Section 10 - No. 21)

How can the speed of light be measured?
km
km/s
Hz
m/s

Εξήγηση

The speed of light is measured by km/s.

Σχόλια (0)

Διαφήμιση