Ranked #1
Particle Properties of Light
Particle Properties of Light
Transcript: We are familiar with waves in everyday life, water waves, sound waves, but it’s not obvious that light is a ... Read more
19 Jul 2011
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Ranked #2
Intrinsic Radiation
Intrinsic Radiation
Transcript: In astronomy it’s important to distinguish between the intrinsic radiation or color of an object and the ref... Read more
19 Jul 2011
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Ranked #3
Infrared Radiation
Infrared Radiation
Transcript: We’re used to viewing the world through light, through visible radiation, but visible radiation is only intr... Read more
19 Jul 2011
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1min
Ranked #4
Transverse - Longitudinal Waves
Transverse - Longitudinal Waves
Transcript: Light and other forms of electromagnetic radiation are transverse waves. This means that the oscillations o... Read more
19 Jul 2011
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1min
Ranked #5
Wein's Law
Wein's Law
Transcript: Wien’s Law states that the wavelength of the maximum emission in a thermal spectrum is inversely proportiona... Read more
19 Jul 2011
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1min
Ranked #6
Thermal Spectrum
Thermal Spectrum
Transcript: Everything with a temperature, which is to say every object in the physical universe, emits a thermal spectr... Read more
19 Jul 2011
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Ranked #7
Thermal Radiation
Thermal Radiation
Transcript: The concept of thermal radiation is fundamental to our understanding of energy and temperature. The basic p... Read more
19 Jul 2011
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Ranked #8
Absolute Zero
Absolute Zero
Transcript: In the Celsius temperature scale, zero degrees corresponds to the freezing point of water. However the mole... Read more
19 Jul 2011
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Ranked #9
Invisible Radiation
Invisible Radiation
Transcript: The visible spectrum is just one slice of a much larger range of radiations. Nearly two hundred years ago t... Read more
19 Jul 2011
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Ranked #10
Visible Spectrum
Visible Spectrum
Transcript: Newton was the first to describe the components of radiation emitted by the sun. He took the sun’s light an... Read more
19 Jul 2011
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Ranked #11
Radiation
Radiation
Transcript: Radiation is another mode of heat transfer or way to move energy from one place to another. Every object th... Read more
19 Jul 2011
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Ranked #12
Convection
Convection
Transcript: Convection is heat transfer through the motion of masses of material. It’s a very efficient way to transfer... Read more
19 Jul 2011
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1min
Ranked #13
Heat Transfer
Heat Transfer
Transcript: There are three basic modes of heat transfer or ways that energy can be carried from a higher temperature ma... Read more
19 Jul 2011
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Ranked #14
Particles as Waves
Particles as Waves
Transcript: Wave-particle duality not only means that light has some of the properties of particles, carrying energy fro... Read more
19 Jul 2011
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1min
Ranked #15
Energy Levels
Energy Levels
Transcript: There’s an important sense in which the analogy of an atom as a miniature solar system is wrong. In a solar... Read more
19 Jul 2011
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