Amplify Light Waves Review

Front

What happens to a black object when light shines on it?

Back

It gets warm because it absorbs all types of visible light that reach it.

Front

What is the ability to make things move or change?

Back

Energy.

Front

Can lasers with different wavelengths give off different types of light?

Back

Yes, for example, Laser 2 could be giving off a different type of light because it has a different wavelength than Lasers 1 and 3.

Front

Is it true that a material can absorb energy from some types of light and not others?

Back

True, for example, a green plant absorbs red and blue light while it reflects green light.

Front

What must happen for you to see an object?

Back

Light must be reflected off the object and into your eyes.

Front

What is light?

Back

Light is a form of energy that travels in waves.

Front

What is wavelength?

Back

Wavelength is the distance between successive peaks of a wave.

Front

What is amplitude in the context of light waves?

Back

Amplitude refers to the height of the wave, which is related to the brightness of the light.

Front

What is the relationship between energy and light?

Back

Light carries energy, and different types of light carry different amounts of energy.

Front

What does it mean for an object to reflect light?

Back

To reflect light means to bounce light off the surface of an object.