Light & waves review

Front

What happens to a light ray when it strikes a smooth surface?

Back

The light ray is reflected.

Front

What is the direction of a transverse wave in relation to its disturbance?

Back

The direction of a transverse wave is at a right angle to the disturbance.

Front

What causes the lower part of a child to appear different in size when viewed through water?

Back

The light rays that travel through water and then into air are refracted.

Front

Why does a pencil appear broken when placed in a cup of water?

Back

The pencil appears broken because light bends when it passes through water.

Front

What is the term for the distance measured from crest to crest or trough to trough in a wave?

Back

Wavelength.

Front

What is refraction?

Back

Refraction is the bending of light as it passes from one medium to another.

Front

What is reflection?

Back

Reflection is the bouncing back of light rays when they hit a surface.

Front

What is the amplitude of a wave?

Back

Amplitude is the maximum distance that points on a wave move from their rest position.

Front

What is the frequency of a wave?

Back

Frequency is the number of waves that pass a point in one second.

Front

What is the difference between a transverse wave and a longitudinal wave?

Back

In a transverse wave, the disturbance is perpendicular to the direction of the wave, while in a longitudinal wave, the disturbance is parallel to the direction of the wave.