Answered

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10. What is the period of a wave whose frequency is 256 cycles per second?
A) 1s
B) 1/256 s
C) 256 s
D) 512 s


Sagot :

To determine the period of a wave, you need to understand the relationship between frequency and period. The period of a wave is defined as the reciprocal of its frequency. Mathematically, this relationship is given by:

[tex]\[ T = \frac{1}{f} \][/tex]

where [tex]\( T \)[/tex] is the period and [tex]\( f \)[/tex] is the frequency.

Given that the frequency [tex]\( f \)[/tex] of the wave is 256 cycles per second (Hz), we can substitute this value into the formula to find the period [tex]\( T \)[/tex].

[tex]\[ T = \frac{1}{256} \text{ seconds} \][/tex]

When calculating this, we obtain:

[tex]\[ T = 0.00390625 \text{ seconds} \][/tex]

Therefore, the period of the wave is 0.00390625 seconds.

Looking at the given options:

A) 1s
B) 1/256 s
C) 256 s
D) 512 s

We see that option B) 1/256 s is the correct answer, as:

[tex]\[ \frac{1}{256} \text{ seconds} \][/tex]

is equal to 0.00390625 seconds.
The answer would be B) 1/256 is the frequency of 256 cycles per second
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