AshikaKnowledge Contributor
What physical quantity is the same for X-rays of wavelength 10–10m, the red light of wavelength 6800 Å and radiowaves of wavelength 500 m?
What physical quantity is the same for X-rays of wavelength 10–10m, the red light of wavelength 6800 Å and radiowaves of wavelength 500 m?
The speed of light ( 3×10⁸
m/s) in a vacuum is the same for all wavelengths. It is independent of the wavelength in the vacuum.