Light: Wave and Particle

EM waves are always____________

• Transverse
• Compression
• Longitudinal
• Seismic

The EM spectrum increases from left to right in________________.

• Wavelength
• Frequency
• Amplitude
• Height

Electromagnetic waves never ______________ or _____________.

• slow down, speed up

• bend, reflect

• move through a vacuum, carry energy

• penetrate glass, travel through water

Which of the following is the most accurate measurement of the speed of light that we use today?

• 220,000,000 m/s

• 313,000,000 m/s

• 299,774,000 m/s

• 299,792,458 m/s

Ole Romer was studying _______________ when made an important observation regarding light.

• the sun's rays

• the moons of Jupiter

• the Moon

• plants

Before the 1600's scientists believed that light was transmitted_____________________.

• Instantaneously

• through a vacuum

• by mass

• over a long period of time

Which of the following gentlemen was the first to make a quantitative calculation for the speed of light?

• Ole Romer

• Galileo Galilei

• Rene Descartes

• Leon Faucault

What did Olaf Romer discover about the orbit of Jupiter's moon Io?

• That it used to be a part of Jupiter.

• Io's orbit changed based on the position of earth in it's orbit

• The orbit was a constant value of 45 hours

What particles make up light?

• Photons
• Neutrons
• Protons

Light behaves like both a particle and a ______.

• Mass
• Wave
• Current