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WINSTONCH [101]
3 years ago
12

You are sitting on the beach and notice that a seagull floating on the water moves up and down 5 times in I minute. What is the

frequency of the water waves
Physics
1 answer:
Mumz [18]3 years ago
3 0

Answer:

f = 0.0833 Hz

Explanation:

Frequency is defined as the no. of cycles per unit time. The frequency of water waves can be given by the following formula:

Frequency\ of\ waves = f = \frac{No.\ of\ Waves}{time}\\

here,

No. of Waves = No. of times seagull moves up and down = 5

Time = 1 minute = 60 sec

Therefore, using these values in the formula, we get:

f = \frac{5}{60\ sec}

<u>f = 0.0833 Hz</u>

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The power of the antenna is
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and since the power is the emitted energy divided by the time, the energy emitted per second is
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Therefore, to find the number of emitted photons per second, we should divide the total energy emitted by the antenna in 1 second by the energy of a single photon:
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