Multiple Choice
If y = 0.02 sin (30x − 400t) (SI units) , the angular frequency of the wave is
A) 30 rad/s
B) 30/2π rad/s
C) 400/2π rad/s
D) 400 rad/s
E) 40/3 rad/s
Correct Answer:

Verified
Correct Answer:
Verified
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