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How do the values of photon energy help explain warnings about sunburn?
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What is a quantum of electromagnetic energy called?
. . . photon.
What happens when electrons in conduction band loses its energy and falls to a hole in the valence band?
The energy leaves as either a photon or phonon.
Can the neon in a glass tube be excited more than once?
Yes, the gas is ionized every time sufficient voltage is applied and remains that way until the voltage is removed. While the gas is ionized, individual neon atoms are continually bombarded by free electrons, causing their orbital electrons to jump to higher energy (excited) states. When an electron falls back to the lower energy state, it emits a photon.
What is a photovoltaic device?
A photovoltaic device is a device that absorbs light (infrared, visible, and ultraviolet) and produces an electric potential. Photovoltaic devices operate by using the energy from an absorbed photon to excite an electron (or hole) across a p-n junction. While longer wavelengths (microwaves) and shorter wavelengths (X-rays) of electromagnetic energy can also be used to produce electric potentials, the devices that do this are not considered photovoltaic because they operate on different principles.
Single oscillator energy Eo?
Optical properties of solids are described by the wavelength dependence of the complex refractive index. This is how the medium (the solid) responds to the electromagnetic wave. The dispersion of the real refractive index n(E), where E is the photon energy can be described with the model of many oscillators (electrons), which react to the electromagnetic wave. Simplifying the relations we obtain an equation of a single oscillator with effective parameters, which reflect the contributions of all the oscillators. These parameters are the oscillator strength Ed and the oscillator energy E0. So the oscillator energy is a parameter, connected with the optical properties of the solid and the electron transitions - it is connected with the optical bandgap Eg with the relation E0~1.5Eg.
What is the energy of photon?
the energy of a photon is h times f
What is the energy in a photon of light proportional to?
The amount of energy in a photon of light is proportional to the frequency of the corresponding light wave.... frequency of the electromagnetic radiation of which the photon is a particle.
The energy of a photon depends on what?
The energy of a photon depends on it's frequency
A packet of energy that carries a quantum of energy?
Packet of energy refers to a quantized or definite amount of energy carried by a particle. This packet energy or lumps of energy depends on the wavelength which can be found from Planck's formula E=hf. This is the idea originally provided by Max Planck to explain Black Body Radiation and to solve Ultra-violate catastrophe which later on came out to be the inception of Quantum Mechanics.
The light bearing packet of energy emitted by an electron is called a?
A packet of light energy is called a photon.
A photon has a wavelength 628 nm. Calculate the energy of the photon in joules?
The energy of the photon is 3,1631.e-19 joule.
The is the particle that carries radiant energy?
photon
What is a quantum of electromagnetic energy called?
. . . photon.
When an electron drops to a lower energy level what is the energy of a photon released?
The energy of the photon is the same as the energy lost by the electron
Could an atom emit one photon of blue light after absorbing only one photon of red light?
No, it could not. A blue photon carries more energy than a red photon, since the blue photon's frequency is higher. That means one red photon wouldn't deliver enough energy to the atom to give it the energy to emit a blue photon.
A pigment absorbs a photon only if the energy of the photon is?
Gay.
How does the energy of a photon compare in difference in energy levels of the atom from which it is emitted?
The energy of a Photon is equal to the difference in the energy level of the Atom that it came from.
