If Y = 002 Sin (30x − 400t) (SI Units), the Wave Number

question 33

Multiple Choice

If y = 0.02 sin (30x − 400t) (SI units) , the wave number is

• A) 30 rad/m
• B) 30/2π rad/m
• C) 400/2π rad/m
• D) 400 rad/m
• E) 60π rad/m

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