content objective understand the electromagnetic spectrum and the mathematical relationships between...
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CONTENT OBJECTIVE
understand the electromagnetic spectrum and the mathematical relationships between energy, frequency, and wavelength of light.
WHAT THE HECK DO I NEED TO BE ABLE TO DO?
I can
I can calculate the wavelength, frequency, and energy of light using Planck's constant and the speed of light.
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LIGHT AND THE ATOMIC MODEL1. A new atomic model evolved as a result of the investigation into the absorption and emission of _______ by matter.LIGHT
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LIGHT AND THE ATOMIC MODELA. Visible ______ is a kind of ____________________ ___________, which is a form of energy that exhibits both wave-like and particle-like behaviors as it travels through space.
RADIATION
LIGHTELECTROMAGNETIC
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LIGHT AND THE ATOMIC MODELa. Visible light can behave like a _______ characterized by the measurable properties of ______________ and ____________.FREQUENCY
WAVE
WAVELENGTH
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LIGHT AND THE ATOMIC MODEL1. _______________ (λ) is the distance between corresponding points on adjacent waves.
WAVELENGTH
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LIGHT AND THE ATOMIC MODEL2. _____________ (f) is defined as the number of waves that pass a given point in a specific time, usually one second (Often measured in hertz, Hz).
FREQUENCY
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LIGHT AND THE ATOMIC MODEL3. The wavelength and frequency for light waves can
be related mathematically in the following way:
c= λ fc= speed of light (3.0x108m/s)
λ = wavelength f = frequency
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LIGHT AND THE ATOMIC MODELb. Visible light can behave like a stream of particles or __________. A _________ is a particle of electromagnetic radiation having zero mass and carrying a specific amount of energy.
PHOTONS PHOTON
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LIGHT AND THE ATOMIC MODEL1. The _________________ effect is evidence that light behaves as a stream of particles.
PHOTOELECTRIC
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LIGHT AND THE ATOMIC MODEL2. Max Planck suggested and Albert Einstein elaborated on the following formula when describing the relationship between frequency and the ___________ of energy of a photon. QUANTUM
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LIGHT AND THE ATOMIC MODELThe specific quantum of energy a photon contains can be found using the following
formula: Ephoton=hfE= Energy
h = 6.626x10-34J∙s
f = frequency
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LIGHT AND THE ATOMIC MODEL3. A ___________ is a specific amount of energy proportional in size to the frequency of the radiation it represents.
QUANTUM
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energy2.65x10-19J
3.25x10-19J
3.64x10-19J4.31x10-19J4.97x10-19J
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LIGHT AND THE ATOMIC MODEL2. Scientists use this understanding of ______ to also describe the properties of the ___________ and their behavior in the electron cloud.
LIGHT
ELECTRON