Question

What is the period of a water wave with a frequency of 0.5 Hz?

Answer 1

Answer:

Frequency refers to the number of occurrences of a periodic event per time and is measured in cycles/second. In this case, there is 1 cycle per 2 seconds. So the frequency is 1 cycles/2 s = 0.5 Hz.

Answer 2

The period of a water wave with a frequency of 0.5 Hz is 2 seconds.

• Frequency is the inverse of the period (t) and it is the number of oscillations per unit time or is the number of repetitions of an event by an object per unit time.
• Frequency can also be calculated in terms of wavelength and speed of light.
• The formula for frequency is given by the equation: frequency =
• $\frac{c}{wavelength} \: = \frac{1}{t}$
• Here, wavelength in metres c = speed of light in ms-2 and t is the time period.
• So, frequency
• $= \frac{1}{t} = \frac{1}{0.5} = \frac{10}{5} = 2 \: seconds$