Lightwaves

The shortest wavelength in visible light is______.

• violet

• red

• blue

• yellow

What is a photon?

• When radiation burst through electric waves

• The emission of electrons from a metal caused by light striking the metal

• The rate at which a waves energy flows through a given unit of area.

• packets of electromagnetic energy

Tags

NGSS.HS-PS4-3

Which of the following electromagnetic waves has the lowest energy?

• infrared light

• visible light

• ultraviolet light

• x-rays

Tags

NGSS.MS-PS4-1

EM waves are always____________

• Transverse

• Compression

• Longitudinal

• Seismic

Tags

NGSS.MS-PS4-1

The higher the frequency the ______ the energy. 

• higher

• lower

• neither, stays the same

Tags

NGSS.MS-PS4-1

Light is a form of 

• energy

• radiation

• reflection

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

The EM spectrum increases from left to right in________________.

• Wavelength

• Frequency

• Amplitude

• Height

EM waves________________travel through space.

• Never

• Cannot

• Can

• Wish they could

Tags

NGSS.MS-PS4-1

_______ carry the greatest amount of energy. 

• x-rays

• gamma rays

• infrared rays

• visible light

Tags

NGSS.HS-PS4-4

If the wavelength of an electromagnetic wave is longer, what is true about the energy? 

• Energy is higher.

• Energy is lower. 

• Energy is not dependent on wavelength. 

Tags

NGSS.MS-PS4-2