The SI unit of length is based on:.... VIDEO
Question The SI unit of length is based on:
(A) The distance from the north pole to the equator along a meridian passing through Paris
(B) Wavelength of light emitted by \( \mathrm{Kr}^{86} \)
(C) A precision meter stick in Paris
(D) The speed of light📲PW App Link - https://bit.ly/YTAI_PWAP 🌐PW Website - https://www.pw.live
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