ElectroMagnetism

Front

What is an electromagnetic wave?

Back

Vibrating electric and magnetic energy that travels through space.

Tags

NGSS.HS-PS4-3

Front

What is the SI unit of energy?

Back

Joule.

Front

What is the source of energy in a commercial electric circuit?

Back

A battery.

Front

What instrument separates light into colors and photographs the resulting spectrum?

Back

Spectograph.

Front

What is frequency in the context of waves?

Back

Number of waves that pass a certain point per given time.

Tags

NGSS.HS-PS4-1

Front

What is the relationship between frequency and wavelength in electromagnetic waves?

Back

Higher frequency means shorter wavelength and vice versa.

Tags

NGSS.HS-PS4-1

Front

What is the speed of light in a vacuum?

Back

Approximately 299,792 kilometers per second.

Tags

NGSS.HS-PS4-1

Front

What is an insulator?

Back

A material that does not allow electric current to flow through it easily.

Front

What is a conductor?

Back

A material that allows electric current to flow through it easily.

Front

What is the principle of superposition in waves?

Back

When two or more waves overlap, the resulting wave is the sum of the individual waves.