Light Review

Front

What is light?

Back

Light is a form of energy that travels in waves and can be seen by the human eye.

Front

What does it mean for an object to be transparent?

Back

An object is transparent if it allows light to pass through it without scattering.

Front

What does it mean for an object to be opaque?

Back

An object is opaque if it does not allow any light to pass through it.

Front

What does it mean for an object to be translucent?

Back

An object is translucent if it allows some light to pass through but scatters it, making objects behind it appear blurry.

Front

What is reflection?

Back

Reflection is the bouncing back of light when it hits a surface.

Front

What is refraction?

Back

Refraction is the bending of light as it passes from one medium to another, changing its speed.

Front

What is a rainbow?

Back

A rainbow is a spectrum of light appearing in the sky, caused by reflection, refraction, and dispersion of light in water droplets.

Front

What is wavelength?

Back

Wavelength is the distance between two consecutive peaks (or troughs) of a wave.

Front

What is amplitude?

Back

Amplitude is the height of a wave from its rest position to its crest or trough.

Front

What colors does white light contain?

Back

White light contains all colors of the visible spectrum.