AP Chemistry Unit 3 Section 12 Quiz

What is the term used to describe the distance between two consecutive crests of a wave?

• Velocity

• Frequency

• Amplitude

• Wavelength

Which Greek letter is used to symbolize frequency in wave equations?

• Lambda

• Alpha

• Nu

• Beta

What is the approximate speed of light in meters per second?

• 3.00 x 10^10

• 3.00 x 10^6

• 3.00 x 10^8

• 3.00 x 10^4

If an FM radio station broadcasts at 96.9 MHz, what is the wavelength of the radio waves?

• 4.09 meters

• 2.09 meters

• 1.09 meters

• 3.09 meters

What is the frequency of light emitted by a laser pointer with a wavelength of 670 nanometers?

• 4.5 x 10^14 Hz

• 3.5 x 10^14 Hz

• 5.5 x 10^14 Hz

• 6.5 x 10^14 Hz

What constant is used to calculate the energy of a photon from its frequency?

• Avogadro's number

• Planck's constant

• Gravitational constant

• Boltzmann's constant

How much energy does a photon have if its frequency is 1,340 kHz?

• 7.88 x 10^-28 joules

• 6.88 x 10^-28 joules

• 9.88 x 10^-28 joules

• 8.88 x 10^-28 joules

What is the frequency of infrared radiation with a wavelength of 1160 nanometers?

• 1.59 x 10^14 Hz

• 3.59 x 10^14 Hz

• 4.59 x 10^14 Hz

• 2.59 x 10^14 Hz

In a PES diagram, what does the height of a peak represent?

• The energy level

• The frequency

• The number of electrons

• The wavelength

What is the wavelength of electromagnetic radiation needed to remove an electron from the valence shell of calcium?

• 203 nanometers

• 303 nanometers

• 403 nanometers

• 503 nanometers