If Y = 002 Sin (30x - 400t)(SI Units),the Frequency of the Wave

question 39

Multiple Choice

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

• A)30 Hz
• B)15/ \(\pi\) Hz
• C)200/ \(\pi\) Hz
• D)400 Hz
• E)800 \(\pi\)Hz

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