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

question 45

Multiple Choice

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

• A)30 rad/m
• B)30/2 \(\pi\) rad/m
• C)400/2 \(\pi\) rad/m
• D)400 rad/m
• E)60 \(\pi\)rad/m

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