unit assessment 2

What is light made of?

• electromagnetic radiation

• wavelength

• Planck’s constant

• frequency

What is the shortest distance between equivalent points on a continuous wave called?

• radiation

• wavelength

• Planck’s constant

• frequency

What is the number of waves that pass a given point per second called?

• radiation

• wavelength

• Planck’s constant

• frequency

λ and ν are:

• inversely proportional

• directly proportional

• they are proportional in 10 different ways

• they are proportional in 20 differentways

what is the speed of light ?

• 3 x10⁸ m/s

• 3 x10⁸ km/s

• 30 x10⁸ m/s

• 1000

What property of this wave is represented by the letter "A"

• amplitude
• crest
• trough
• wavelength

which of the following is correct equation

• E _photon = h + v²

• E _photon = b x v

• E _photon = h x v

• E _photon = h ÷ v

What is Planck's Constant?

• 6.63x10^-34 Js

• 6.63x10^-34 J/s

• 3.0x10⁸ ms

• 3.0x10⁸ m/s

Who proposed that the electrons could also have wavelike behaviors.

• Bohr

• Heisenberg

• de Broglie

Since electrons are moving so fast, we can never know both their speed and position. Who said this?

• Bohr

• Heisenberg

• Rutherford