Front

Wave with the longest wavelength: microwave, radio, gamma, visible light

Back

radio

Front

EM wave with frequency higher than infrared and lower than UV.

Back

visible light

Front

When the wavelength increases, the frequency will:

• increase
• decrease
• remain same
• none of these

Back

decrease

Front

EM waves: Must travel through a vacuum, Can travel through a medium or a vacuum, Are the same type of wave as mechanical waves, Can only travel through a vacuum

Back

Can travel through a medium or a vacuum

Front

Visible light is

Back

all of these

Front

Infrared rays are important for:
- Warming the Earth
- Providing visible light for plants
- Taking X-rays
- all of these

Back

Warming the Earth

Front

EM waves have the same speed but different:

Back

wavelength & frequency

Front

List the EM waves from highest to lowest frequency.

Back

Gamma - Xray - UV - Visible light - Infrared - Micro - radio

Front

Which section of the spectrum is the ONLY one we can see? Options: X-rays, Visible Light, Gamma Rays, Ultraviolet Rays

Back

Visible Light

Front

Which color has the least amount of energy? Options: red, orange, green, blue

Back

red