Light Waves Amplify Chapter 2

Front

What type of sunlight can cause skin cancer?

Back

Ultraviolet light

Front

True or False: The taller the amplitude, the less energy a light wave has.

Back

False

Front

True or False: Darker skin tone means the person has less melanin in their skin.

Back

False

Front

What does the number of waves that pass in a second describe?

Back

Frequency

Front

Does Australia get more, less, or a similar amount of ultraviolet light than other parts of the world?

Back

More

Front

What is the definition of amplitude in relation to light waves?

Back

Amplitude is the height of the wave, which relates to the energy of the wave.

Front

What is the relationship between frequency and energy in light waves?

Back

Higher frequency means higher energy.

Front

What are the different types of electromagnetic waves in order of increasing frequency?

Back

Radio waves, microwaves, infrared, visible light, ultraviolet, X-rays, gamma rays.

Front

What is the wavelength of a wave?

Back

Wavelength is the distance between two consecutive peaks of a wave.

Front

What is the speed of light in a vacuum?

Back

Approximately 299,792 kilometers per second (or about 300,000 kilometers per second).