Topic 4 - Waves - Waves And Energy

Question 1

What do waves transfer without transferring?

Answer 1

Energy

Waves transfer energy without transferring matter, as demonstrated by buoys remaining still while waves pass by.

Question 2

What is the distance between the same points on two consecutive waves called?

Answer 2

Wavelength

Wavelength is a key characteristic of waves.

Question 3

What term describes the distance from the equilibrium line to the maximum displacement?

Answer 3

Amplitude

Amplitude can refer to either the crest or trough of a wave.

Question 4

What is the term for the number of waves that pass a single point per second?

Answer 4

Frequency

Frequency is measured in hertz (Hz).

Question 5

Fill in the blank: The time taken for a whole wave to completely pass a single point is called the _______.

Answer 5

Period

The period is an important measure in wave motion.

Question 6

What do we call the plane in which the wave travels?

Answer 6

Wavefront

The wavefront indicates the direction of the wave.

Question 7

What is the formula for wave velocity?

Answer 7

v = f × λ

Where v is velocity, f is frequency, and λ (lambda) is wavelength.

Question 8

What is the unit of wave speed?

Answer 8

Metres per second (m/s)

Wave speed is calculated using frequency and wavelength.

Question 9

What is the unit of frequency?

Answer 9

Hertz (Hz)

Hertz is the standard unit for measuring frequency.

Question 10

True or False: Waves move particles along with the energy they transfer.

Answer 10

False

Waves transfer energy without transferring matter.