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Light can be considered as a small packet of energy (a quantum) called a "photon" carried along a wave or ripple in space-time, rather like a beach ball carried along in the trough of a wave across a body of water. A more detailed explanation requires an understanding of quantum mechanics.
Photons are small bundles of energy that make up light. Scientists consider photons to be elementary particles which are a quantum or measurement of light.
High energy light has a small wavelength, and a high frequency.
Light, of course, since that's what the light bulb is designed to produce. There is also waste energy, as heat, and (to a small extent) as sound.
The main purpose of a toaster is to generate heat, not light. A small amount of light may be produced as a by-product, due to the high temperature. The way the heat (and a small amount of light) is produced is simply by using electrical resistors.
Photons
Perhaps you are referring to a packet? A packet contains information about where it is going, as well as the data itself, and usually some sort of error-checking code.
Light from the stars is energy. However, the amount of energy that this light accounts for is too small to be of any use.
That simply means that light has energy. Every individual piece of light (photon) carries a small amount of energy.
Photons
Light, heat, sometimes small amounts of sound.
Light can be considered as a small packet of energy (a quantum) called a "photon" carried along a wave or ripple in space-time, rather like a beach ball carried along in the trough of a wave across a body of water. A more detailed explanation requires an understanding of quantum mechanics.
Photon.
Photons
Photons
It appears as heat
Photons are small bundles of energy that make up light. Scientists consider photons to be elementary particles which are a quantum or measurement of light.