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Exam Questions Papers - Engineering

Q1:

The electric field of uniform plane wave is given by E = 20 sin (2 p x 108t- pz) x + 20 cos (2 p x 108t - pz) y. Find phase velocity

A 2 x 108 m/s

B p x 108 m/s

C 2p x 108 m/s

D none of these

ANS:A - 2 x 108 m/s

= 2 x 108 m/s.