speed of light calculations - finals review

Front

What are the units of frequency?

Back

Hz

Front

Solve this problem using the equation: C = λν. If an AM radio station broadcasts at 9.95 x 10^5 Hz, what is the wavelength of this radiation?

Back

302 m

Front

Calculate the wavelength of light that has a frequency of 5.2 x 10^12 1/s.

Back

5.8 x 10^-5 m

Front

What is the frequency of infrared light that has a wavelength of 1.10 X 10^-6 m?

Back

2.73 x 10^14 Hz

Front

What is the frequency of a photon whose energy is 3.4x10^-19 J?

Back

5.1x10^14 Hz

Front

What is the speed of light in a vacuum?

Back

Approximately 3.00 x 10^8 m/s

Front

What is the relationship between wavelength (λ), frequency (ν), and speed of light (C)?

Back

C = λν

Front

If the frequency of a wave is doubled, what happens to its wavelength?

Back

The wavelength is halved.

Front

What is the formula to calculate the energy of a photon?

Back

E = hν, where E is energy, h is Planck's constant, and ν is frequency.

Front

What is Planck's constant?

Back

Approximately 6.626 x 10^-34 J·s