Cell phones transmit and receive signals using

The cells that allow you to see in dim light.

An electromagnetic wave consists of

An electromagnetic wave have fields that travel ___ to one another.

Polarized light consists of waves that vibrate

The only type of electromagnetic wave that you can see is

According to the law of reflection, the angle of reflection is

Which of the following is listed in order of increasing energy?

The energy that electromagnetic waves transfer through matter or space is called

A packet of light energy is called a

Which is NOT an electromagnetic wave?

Radar is used to

An infrared camera takes pictures called

Visible light that appears ___ is actually a mixture of many colors

What kind of vitamin does UV rays cause cells to make?

Why does a dentist cover you with a lead apron to take Xrays of your teeth?

The electromagnetic spectrum includes the complete range of electromagnetic waves placed in order of

A mirror that curves inward is a

All electromagnetic waves ___ in a vacuum.

A person's perception of intensity

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