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A particular sensitizer can absorb photons of one wavelength and release photons of a longer wavelength Why must the radiation be at a longer wavelength?
First, consider the relationship between wavelength and energy and reformulate the premise in terms of energy. Then, study fluorescence, the process in which a molecule absorbs a photon and releases a subsequent photon at a longer wavelength.
In fluorescence, energy must be conserved. The total energy absorbed must be equal to the total energy released by the excited molecule (sensitizer). The question is asking, for example, if a sensitizer absorbs a photon with energy of 3 eV and releases a photon of 2.5 eV, where did the missing 0.5 eV go?
This question comes directly from the laboratory manual for the introductory chemistry courses at the University of Alabama. For those students attempting to find an easy answer without putting forth any effort, i.e. cheat, you'll have to look elsewhere.
- Mr. E.
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A photon of wavelength 3000 A is absorbed by a gas and remitted as two photons One of the photons is red 7600 A What is the wavelength of the other photon?
The total energy of a photon with a wavelength of 3000 A is divided into two photons, one red photon with a wavelength of 7600 A, and another photon with a shorter wavelength. To calculate the wavelength of the second photon, you can use the conservation of energy principle, where the sum of the energies of the two new photons is equal to the energy of the original photon. This will give you the wavelength of the other photon.
What happens to the infrared photons as they interact with the material?
When infrared photons interact with a material, they can be absorbed, reflected, transmitted, or scattered. The specific outcome depends on the properties of the material and the wavelength of the infrared photons.
Which colour has the shortest wavelength?
Shortest wavelength means the highest frequency, meaning the photons have the highest energy. That is color violet. The violet light colors the skin brown. Red light with lower energy photons cannot do that.
What is the relationship between wavelength of light and the energy of its protons?
The energy in one photon of any electromagnetic radiation is directly proportionalto its frequency, so that would be inversely proportional to its wavelength.Note: There is no energy in the protons of light, since light has no protons.
What is the reason Iron glows red when heated?
Iron glows red when heated because as it absorbs heat, the atoms in the metal vibrate more rapidly and release energy in the form of photons, which are visible as light. This process is called thermal radiation. The specific shade of red comes from the wavelength of the photons being emitted at high temperatures.
Which are more energetic photons of UV A radiation or photons of UV B radiation?
Photons of UV B radiation are more energetic than photons of UV A radiation. UV B radiation has a shorter wavelength and higher energy compared to UV A radiation, making it more damaging to the skin and eyes.
Do hotter objects emit photons with a shorter wavelength?
Yes, hotter objects emit photons with a shorter wavelength. This is known as Wien's displacement law, which states that the peak wavelength of radiation emitted by an object is inversely proportional to its temperature. As the temperature of an object increases, the peak wavelength of the emitted radiation shifts to shorter wavelengths.
What Photons with the highest energy have the blank?
The highest energy photons have the shortest wavelength, which is in the gamma ray range. Gamma rays are a form of electromagnetic radiation that have the highest energy and shortest wavelength in the electromagnetic spectrum.
Photons with the highest energy have?
Photons with the highest energy have shorter wavelengths and higher frequencies. These photons are known as gamma rays and are produced by processes such as nuclear reactions and particle interactions. They are the most energetic form of electromagnetic radiation.
What are the 3 types of radiation with short wavelength and high frequency?
The three types of radiation with short wavelength and high frequency are X-rays, gamma rays, and ultraviolet (UV) radiation. These forms of radiation have energetic photons and can have harmful effects on living organisms if exposure is not controlled.
Why is radiation with shortest wavelength the most powerful?
In our Universe, EM radiation can only come in discrete chunks called "photons." The energy of each individual photon depends on the frequency of the EM radiation. Frequency depends on wavelength (or vice-versa): the shorter the wavelength, the higher the frequency. Thus, short wavelength photons have more energy. That's just how our Universe operates, whether or not we like it.
What happens to the energy of photons if the wavelength of light is doubled?
When the wavelength of light is doubled, the energy of photons decreases by half.
Is gamma radiation a high energy electrons?
No. It is electromagnetic radiation, beyond the violet end of the visible spectrum.
Why are the photons that emerge from the Sun's surface visible-light photons and infrared-light photons rather than gamma-ray photons?
Photons do not come in different types like infared-photons etc. they are just the wavelength that the photons are at and nuclear fusion just happens to emit photons at a particular wavelength
The what radiation spectrum contains photons of all energies?
The electromagnetic radiation spectrum contains photons of all energies, ranging from high-energy gamma rays to low-energy radio waves. Each type of electromagnetic radiation corresponds to a specific range of photon energies based on its frequency or wavelength.
What is the numbers of photons of light with a wavelength of 4000 pm that provide 1 j of energy?
If a certain source emits radiation of a wavelength of 400 nm then the energy in a mole of photons of this radiation can be found using E = hc/w. The energy in kJ/mol of a mole of these photons is approximately 300 kJ / mole.
What is the longest wavelength photon?
There is no longest wavelength for photons. It can be arbitrarily long.
