0
What else can I help you with?
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.
When matter absorbs a photon what is the relationship between the energy of the matter before and after the absorpion and the frequency and the wavelength of the radiation absorbed?
When matter absorbs a photon, the energy of the matter increases by an amount equal to the energy of the absorbed photon. The frequency and wavelength of the absorbed radiation depend on the energy of the photon and are inversely related - higher energy photons have higher frequencies and shorter wavelengths.
Is the number of photons in one j of red light 650 nm greater than equal to or less than the number of photons in one j of blue light?
The number of photons in one joule of light is inversely proportional to their wavelength. Since red light at 650 nm has a longer wavelength than blue light, which typically has a shorter wavelength (around 450 nm), there will be more photons in one joule of red light than in one joule of blue light. Therefore, the number of photons in one joule of red light is greater than the number of photons in one joule of blue light.
When compton wavelength is equal to compton shift?
The Compton wavelength is defined as (\lambda_C = \frac{h}{m_ec}), where (h) is Planck's constant, (m_e) is the electron mass, and (c) is the speed of light. The Compton shift occurs when a photon collides with a particle, resulting in a change in the photon’s wavelength. The two are equal when the scattering angle results in a wavelength shift equal to the Compton wavelength of the particle involved, which typically occurs in high-energy photon interactions with electrons. This condition highlights the wave-particle duality of light and its interactions with matter.
Why should slit width be approximately equal to wavelength of light for diffraction?
This is to maximize the effect of diffraction. The wavelength of the photon can be regarded as its 'size' . If it is too large then the slit is just to small for it and most of the photons will be absorbed or reflected. If it is far too small then the slit, in comparison, will be very large so most photons do not even notice its presence and will just continue on their merry way without interacting with it.
What is de broglie wavelength of one photon?
No, they don't have de-broglie wavelength since this concept is valid for substances having some mass. This concept is mainly used to calculate the wavelength of electrons. The photons are just energy packets and they are not matter and don't have weight. Therefore, they don't have de-broglie wavelength
What is the relationship between energy of electromagnetic radiation and its wavelength?
For a single photon, the energy is equal to the frequency, multiplied by the reduced Plank constant. Since the frequency is equal to the speed of the wave divided by the wavelength, for the wavelength this becomes: energy = (reduced Planck constant) x (speed of light) / wavelength. Note that this is for a single photon only; it says nothing about the light from a flashlight, some other lamp, the Sun, etc., which consists of lots of photons.
How is wavelength related to frequency for waves moving at a constant speed?
Wavelength and frequency are inversely proportional for waves moving at a constant speed. This means that as the wavelength increases, the frequency decreases, and vice versa. The product of wavelength and frequency is always equal to the speed of the wave.
What is the relationship between the frequency and wavelength of electromagnetic waves?
The product of (wavelength) times (frequency) is equal to the speed of the wave.
Electrons can only absorb photons that have energy equal to what?
Electrons can only absorb photons that have energy equal to the energy difference between two allowed energy levels in the atom or molecule.
What are the Waves that have the most light?
The shorter the wavelength, the more energy. In terms of visible light, this means that violet light has the most energy. Of course, there are invisible frequencies that have even more energy. -------------------------------- Not all waves carries electromagnetic energy, what you call "light energy". Sound propagates in materials like a wave and in general relativity even gravitational wave exists.. If we limit to electromagnetic waves, the quantum field theory tells us that the power P (energy per second) carried by an electromagnetic wave is equal to P=n h f where n is the number of photons carried by the wave per second, h is the Plank constant (a universal constant appearing in all quantum theories) and f the wave frequency. The term Eq=h f is also the energy quantum of the wave, that is the energy of one photons. Thus we have essentially two ways to increase the wave power: either increasing the number of photons travelling through the wave front per second or increase the frequency f, that is increasing the energy of one photon. The wavelength is inversely proportional to the frequency, thus higher the frequency lower the wavelength. If we compare waves carrying the same photons flux (number of photons per second) the more energetic wave (the wave carrying more energy per second) is the wave having higher frequency. This is why high frequency waves like gamma rays conveys a lot of energy even if they have a small number of photons. The different energy of the single photon has also an important impact on how the wave interact with matter.
Wave speed is equal to multipied by frequency?
The speed of a wave is equal to the product of its frequency and wavelength.
