1.

The quantity \sqrt{\mu_{0} \varepsilon_{0}} represents (a) speed of sound (b) speed of light in vacuum (c) speed of e.m.w. (d) inverse of speed of light in vacuum

Answer» ELECTROMAGNETIC waves are created by the vibration of an electric charge. This vibration creates a wave which has both an electric and a magnetic component. An electromagnetic wave TRANSPORTS its ENERGY through a vacuum at a speed of 3.00 x 108 m/s (a speed value commonly represented by the symbol c).


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