0
The energy of a photon can be calculated using the formula E = hc/λ, where h is the Planck's constant (6.626 x 10^-34 J·s), c is the speed of light (3.00 x 10^8 m/s), and λ is the wavelength. Plugging in the values for a 616 nm photon: E = (6.626 x 10^-34 J·s * 3.00 x 10^8 m/s) / (616 x 10^-9 m) ≈ 3.22 x 10^-19 Joules.
Add your answer:
Earn +20 pts
What is the rate at which light is emitted from a source?
The rate at which light is emitted from a source is typically measured in watts, which represents the amount of energy being emitted per unit time. This can vary based on the type of source and its efficiency in converting electrical energy into light.
How does the frequency of re-emitted light in a transparent material compare with the frequency of the light that stimulates its re-emission?
The frequency of re-emitted light in a transparent material is the same as the frequency of the light that stimulates its re-emission. This is due to the conservation of energy principle, where the energy of the absorbed photon is re-emitted as a photon of the same frequency.
How is light absorbed by matter?
Light is absorbed by matter when its energy matches the energy levels of electrons in the atoms or molecules of the material. When a photon of light hits an atom, it can excite an electron to a higher energy level, causing the photon to be absorbed. The absorbed energy is then typically converted into heat or re-emitted as another photon with a longer wavelength.
What an example of a photon?
A photon is a fundamental particle of light that carries electromagnetic radiation. It has no mass, travels at the speed of light, and interacts with matter through processes like absorption and emission. An example of a photon is the particles of light emitted by the sun.
What is the proportion of light energy?
The proportion of light energy depends on the type of light source and its efficiency. In general, only a small fraction of the total energy emitted by a light source is in the form of visible light that we can see, with the rest being emitted as other forms of electromagnetic radiation such as infrared or ultraviolet light.
The light bearing packet of energy emitted by an electron is called a?
A packet of light energy is called a photon.
What is the term for small pockets of energy emitted from light?
Photon.
If an electron is in an excited state it must lose energy when it falls to a lower state. What happens to the energy that is lost?
The energy that is lost when an electron falls to a lower state is emitted as a photon of light. This process is known as photon emission, and the energy of the emitted photon corresponds to the energy difference between the initial and final states of the electron.
What is the rate at which light is emitted from a source?
The rate at which light is emitted from a source is typically measured in watts, which represents the amount of energy being emitted per unit time. This can vary based on the type of source and its efficiency in converting electrical energy into light.
When an electron drops from a higher energy state to a lower energy state?
When an electron drops from a higher energy state to a lower energy state, it emits electromagnetic radiation in the form of a photon. This process is known as atomic emission, and the energy of the emitted photon corresponds to the energy difference between the two electron states.
How does the frequency of re-emitted light in a transparent material compare with the frequency of the light that stimulates its re-emission?
The frequency of re-emitted light in a transparent material is the same as the frequency of the light that stimulates its re-emission. This is due to the conservation of energy principle, where the energy of the absorbed photon is re-emitted as a photon of the same frequency.
What light is visible that is emitted by a phosphor particle when it absorbs energy?
This phenomenon is called phosphorescence.
How is light absorbed by matter?
Light is absorbed by matter when its energy matches the energy levels of electrons in the atoms or molecules of the material. When a photon of light hits an atom, it can excite an electron to a higher energy level, causing the photon to be absorbed. The absorbed energy is then typically converted into heat or re-emitted as another photon with a longer wavelength.
What energy is removed or given off?
Light and heat are emitted from an energy source...
Quanta of light emitted from 1 electron drops from the 7th to 2nd energy level?
When an electron drops from the 7th to the 2nd energy level in an atom, it emits a photon of light. The energy of this photon corresponds to the difference in energy between these two levels. The amount of energy difference is specific to the atom involved, and the photon emitted will have a specific wavelength and color based on this energy difference.
Whenever an excited hydrogen atom falls back from an excited state to its ground state it?
emits a photon with a specific energy corresponding to the difference in energy levels between the excited state and the ground state. This emitted photon can be in the form of visible light, ultraviolet light, or infrared light depending on the specific energy transition. This process is known as emission spectroscopy and is used to identify elements based on the unique energy levels of their electron configurations.
What does the electron produce when they change energy levels?
When electrons change energy levels, they emit light or energy in the form of electromagnetic radiation. This emitted light can have specific frequencies or colors, depending on the difference in energy levels that the electron undergoes.
