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89 solutions

The Particle Nature of Light

Q. How much energy is contained in 1 mol of each of the following? γ-ray photons with a wavelength of 2.62x10^-5 nm. Express the energy numerically in kilojoules per mole.

Solved • Feb 8, 2020

The Particle Nature of Light

Q. How much energy is contained in 1 mol of each of the following? X-ray photons with a wavelength of 0.135 nm. Express the energy numerically in kilojoules per mole.

Solved • Feb 8, 2020

The Particle Nature of Light

Q. A heat lamp produces 20.5 watts of power at a wavelength of 5.5 μm. How many photons are emitted per second? (1 W = 1 J/s.) Express your answer to three significant figures.

Solved • Feb 8, 2020

The Particle Nature of Light

Q. Calculate the energy of a photon of electromagnetic radiation at each of the following frequencies. 835.8 MHz (common frequency used for cell phone communication) Express your answer in joules using four significant figures.

Solved • Feb 8, 2020

The Particle Nature of Light

Q. Calculate the energy of a photon of electromagnetic radiation at each of the following frequencies. 104.9 MHz (typical frequency for FM radio broadcasting) Express your answer in joules using four significant figures.

Solved • Feb 8, 2020

The Particle Nature of Light

Q. Calculate the energy of a photon of electromagnetic radiation at each of the following frequencies. 1100 kHz (typical frequency for AM radio broadcasting) Express your answer in joules using four significant figures.

Solved • Feb 8, 2020

The Particle Nature of Light

Q. What is the energy of a photon of light with a wavelength of 3.10 x 10^-7 m? a) 6.41 x 10^-19 J b) 1.56 x 10^18 J c) 2.14 x 10^-27 J d) 9.68 x 10^14 J

Solved • Feb 4, 2020