Review Chapter 11 Day One

Multiple Choice

What are three characteristics of waves?

• speed, wavelength, and frequency

• crest, trough, and frequency

• shape, color, and speed

• speed, height, and frequency

Multiple Choice

If two electromagnetic signals were sent from the moon by astronauts at the same time, which one would reach earth first? X-ray or Infrared?

• both reach earth at the same time

• X-ray

• Infrared

• it is impossible to know

Multiple Choice

What is the energy of a wave that has a wavelength of 7.8 x 10^-8m? E = hv; h = 6.626 x 10^-34Js; C = 3.00 x 10⁸m/s

• 2.545 x 10^-18J

• 3.92 x 10¹⁷J

• 5.17 x 10^-41J

• 6.25 x 10²⁵J

Multiple Choice

Frequency and wavelength are ____ related.

• inversely

• directly

• un-

• often

Multiple Choice

What is the order of the visible spectrum from lowest energy (longest waves) to highest energy (shortest waves)?

• ROYGBV

• RGVBYO

• VBGYOR

• OYGBYR

Multiple Choice

What is the frequency of light that has a wavelength of 2000 m?

• 1.5 x 10⁵S^-1

• 1.5 x 10⁵m

• 1.5 x 10⁵m/s

• 1.5 x 10⁵

Multiple Choice

What is the speed of light, and all EM waves?

• 3.0 x 10⁸m/s

• really fast

• 7.0 x 10²mi/hr

• 6.02 x 10²³m/s

Multiple Choice

Which color of visible light has the lowest energy?

• Red

• Orange

• Yellow

• Blue

Multiple Choice

Which of the following is NOT EM Radiation?

• Sound Waves

• X-rays

• Infrared Radiation

• Radio Waves

Multiple Choice

Frequency is

• the number of wave cycles/sec

• the distance from one crest of a wave to the next crest of a wave

• the speed of a wave

• a constant

Multiple Choice

Light particles are called

• photons

• electrons

• protons

• laser bombs