Electromagnetic Spectrum

What is the Electromagnetic Spectrum?

• A Group of Energy Waves That are Visible to the human Eye.

• The name Given to a Group of Waves that mostly are Invisible and can travel through empty Or outer Space.

Tags

NGSS.HS-PS4-3

NGSS.HS-PS4-4

Can too Much Ultra Violet Light can Cause Cancer

• True.

• False.

Gamma Rays Highest Frequency in the Electromagnetic system.

• False.

• True.

Tags

NGSS.HS-PS4-4

Which color has the longest wavelength?

• Yellow

• Red

• Green

• Purple

Tags

NGSS.HS-PS4-1

Scientists observed a celestial object emitting a wavelength of 3 x 10^-10m. What type of telescope did the scientists have to use to view this?

• Radio wave

• Infrared ray

• X-ray

• Gamma Ray

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-3

NGSS.HS-PS4-4

The frequency of an x-ray is --

• 1.41 x 10^-10 Hz

• 1.41 x 10¹⁸ Hz

• 1.41 x 10¹⁰ Hz

• 1.41 x 10^-18 Hz

Tags

NGSS.HS-PS4-1

The wavelength of an infrared ray is --

• 10^-5 m

• 10¹² Hz

• 10⁵ m

• 10^-12 Hz

Tags

NGSS.HS-PS4-1

Which electromagnetic waves are used in ovens and cell phone communications?

• Infrared rays
• ultraviolet rays
• microwaves

Tags

NGSS.HS-PS4-5

Which type of waves are used in broadcasting?

• radio waves
• infrared rays
• x-rays

Tags

NGSS.HS-PS4-3

NGSS.HS-PS4-5

Which electromagnetic waves allow us to diagnose & treat cancer?

• Gamma rays
• X-rays
• Ultraviolet rays

Tags

NGSS.HS-PS4-4