Practice: Calculate the energy (in nJ) of a photon emitted by a mercury lamp with a frequency of 6.88 x 1014 Hz.
Subjects
| Sections | |||
|---|---|---|---|
| Wavelength and Frequency | 4 mins | 0 completed | Learn |
| Speed of Light | 8 mins | 0 completed | Learn |
| The Energy of Light | 13 mins | 0 completed | Learn |
| Electromagnetic Spectrum | 11 mins | 0 completed | Learn Summary |
| Photoelectric Effect | 14 mins | 0 completed | Learn Summary |
| De Broglie Wavelength | 9 mins | 0 completed | Learn |
| Heisenberg Uncertainty Principle | 14 mins | 0 completed | Learn |
| Bohr Model | 15 mins | 0 completed | Learn |
| Emission Spectrum | 6 mins | 0 completed | Learn |
| Bohr Equation | 13 mins | 0 completed | Learn Summary |
| Introduction to Quantum Mechanics | 5 mins | 0 completed | Learn Summary |
| Quantum Numbers: Principal Quantum Number | 4 mins | 0 completed | Learn |
| Quantum Numbers: Angular Momentum Quantum Number | 7 mins | 0 completed | Learn |
| Quantum Numbers: Magnetic Quantum Number | 5 mins | 0 completed | Learn |
| Quantum Numbers: Spin Quantum Number | 2 mins | 0 completed | Learn |
| Quantum Numbers: Number of Electrons | 4 mins | 0 completed | Learn |
| Quantum Numbers: Nodes | 3 mins | 0 completed | Learn |
The Energy of Light involves the use of a new variable Planck's Constant.
Concept #1: The Energy of Light
Concept #2: Photon Energy Formulas
Example #1: Calculate the energy of a photon with a wavelength of 293.7 m.
Concept #3: Moles and Energy
Example #2: Calculate the energy for a mole of photons with a frequency of 4.29 x 1015 s-1.
Practice: Calculate the energy (in nJ) of a photon emitted by a mercury lamp with a frequency of 6.88 x 1014 Hz.
Practice: A light ray has a wavelength that is 835 µm contains 6.32 x 10-3 J of energy. How many photons does this light ray have?
Practice: How much energy (in kJ) do 4.50 moles of photons contain at a wavelength of 705 nm?
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