Ch. 15 Standardized Test Practice

Which characteristics d electromagnetic waves and a wave on a rope have in common?

• They are both transverse waves

• They are both longitudinal waves

• They both have electric and magnetic fields

• They both have compressions and rarefactions

How do electromagnetic waves and a wave on a rope differ?

• One has crests, while the other has troughs

• One can travel through empty space, while the other can not

• One transmits energy, while the other transmits matter

• One has an electric field, while the other has a magnetic field.

Which wave forms an electromagnetic wave when it vibrates?

• an electron

• A carrier wave

• A photon

• an X-ray

Which shows the correct order from lowest to highest energy for different electromagnetic waves?

• light--X-ray--microwave

• gamma ray--light--radio wave

• X-ray--microwave--ultraviolet wave

• radio wave--microwave--gamma ray

What do all colors of light have in common?

• their energy

• their frequency

• their speed

• their wavelength

Which is the number of satellites needed to calculate the position of a Global Positioning System (GPS) receiver on Earth?

• 2

• 4

• 6

• 8

What happens to an electromagnetic wave as it passes from space to matter?

• It changes frequency

• It changes wavelength

• it slows down

• it speeds up

Which type of electromagnetic waves has the longest wavelength?

• infrared waves

• microwaves

• radio waves

• ultraviolet waves

What happens to a wave it its frequency decreases?

• its amplitude increases

• its energy decreases

• its speed increases

• its wavelength decreases

Which list of electromagnetic waves is in the correct order from highest to lowest energy?

• gamma rays, radio waves, infrared waves, microwaves

• ultraviolet waves, gamma rays, X-rays, light

• light, infrared waves, microwaves, radio waves

• X-rays, gamma rays, ultraviolet waves, light