Properties of waves

A wave transfers _____________ from place to place without transferring ___________.

In a __________ wave, the vibrations are at right angles to the direction in which the wave travels. In a ___________ wave, the vibrations are back and forth along the direction of the wave.

The two waves shown in the figure represent two light waves, X and Y.

The two waves have _______________ wavelengths.

The two waves shown in the figure represent two light waves, X and Y.

The two waves have _______________ amplitude.

The two waves shown in the figure represent two light waves, X and Y.

Light X will be _______________ than light Y.

Draw a wave and label the amplitude and wavelength.

Give one example of a transverse wave and one example of a longitudinal wave.

Deduce the wavelength of the waves in the given figure.

• 5 cm

• 4 cm

• 3 cm

• 2 cm

The bar of a ripple tank vibrates five times per second.

A. State the frequency of the waves it makes.

B. Find the period of the waves it makes.

• A. 5 Hz

  B. 0.2 s

• A. 5 Hz

  B. 0.1 s

• A. 4 Hz

  B. 0.1 s

• A. 4 Hz

  B. 0.2 s

A student sees a flash of lightning, and, three seconds later, she hears the thunder. Why does she see the lightning before she hears the thunder?