Electro spec

Which EM waves have the longest wavelength?

• radio

• x-rays

• ultraviolet

• gamma rays

Which EM waves have the shortest wavelength?

• radio

• x-rays

• ultraviolet

• gamma rays

Which EM waves are have the lowest frequency?

• radio

• none

• infrared

• x-rays

Which color waves have the lowest frequency?

• red

• yellow

• green

• violet

What happens to frequency when wavelength decreases?

• stays the same

• decreases

• increases

• There is no relationship between wavelength & frequency.

Which type of electromagnetic wave travels fastest through a vacuum?

• radio

• gamma rays

• visible light

• They all travel at the same speed.

What type of electromagnetic wave has a higher frequency than visible light and a larger wavelength than x-rays

• Infrared

• Gamma

• visible

• Ultraviolet

Which feature best distinguishes one form of electromagnetic energy from another?

• Color

• Wavelength

• Surface Temperature

• Distance Traveled

Which electromagnetic waves help doctors detect broken bones inside your body?

• gamma rays
• x-rays
• ultraviolet rays

Which electromagnetic waves are used in devices such as heat lamps and TV remote controls?

• Ultraviolet rays

• Infrared Rays

• Microwaves