Gr 10 Physical Sciences Ch 7: Period and frequency

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What is the period of a wave?

The speed of the wave

The number of wavelengths per second

The distance between two consecutive peaks

The time taken by the wave to move one wavelength (correct)

What is the unit of frequency?

Hertz (correct)

Seconds

Wavelengths

Meters

What is the relationship between period and frequency?

Inversely proportional (correct)

Exponentially related

Directly proportional

Constant

What is the formula for frequency in terms of period?

f = 1/T Signup and view all the answers

What happens to the frequency of a wave when its period increases?

It decreases Signup and view all the answers

What is the main difference between the period and frequency of a wave?

One represents the number of wavelengths while the other represents the time for one wavelength Signup and view all the answers

If the frequency of a wave is 5 Hz, what is its period?

0.2 s Signup and view all the answers

Which of the following is a characteristic of the period of a wave?

It is a measure of the time taken for one wavelength Signup and view all the answers

If the period of a wave is increasing, what is happening to its frequency?

It is decreasing Signup and view all the answers

What is the unit of the period of a wave?

Seconds (s) Signup and view all the answers

What is the effect on the frequency of a wave if its period is halved?

The frequency is doubled Signup and view all the answers

A wave has a frequency of 20 Hz. What is the time taken for 5 complete cycles of the wave to pass a given point?

0.5 s Signup and view all the answers

If the period of a wave is directly proportional to its wavelength, what can be inferred about the frequency of the wave?

It is inversely proportional to the wavelength Signup and view all the answers

A wave has a period of 0.1 s. How many complete cycles of the wave pass a given point in 2 s?

20 Signup and view all the answers

What is the period of a wave if 12 complete cycles of the wave pass a given point in 3 s?

0.25 s Signup and view all the answers

Gr 10 Physical Sciences Ch 7: Period and frequency

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