- Which types of electromagnetic waves penetrate our atmosphere?
- Which type of wave travels the fastest?
- How much energy is in a photon?
- Does a photon have size?
- Is a photon energy?
- How does a photon look like?
- Do photons die?
- Do all photons have same mass?
- Do gamma rays or radio waves travel faster?
- Which photon is more energetic red or blue?
- Which photon is more energetic red or yellow?
- Why photon has no mass?
- What happens to the wavelength of a photon after it collides with an electron?
- Which type of wave travels faster gamma radio or neither one?
- Which photon is more energetic?
- Which is more energetic photon of violet light or photon of red light?
- Which color has the highest energy?
- Does time exist for a photon?
Which types of electromagnetic waves penetrate our atmosphere?
Figure 3.4: The Earth’s atmosphere is transparent only to certain wavelengths of light that uses the analogy to open, closed, or partially closed windows.
All visible light penetrates the atmosphere, most radio light penetrates the atmosphere, and some IR light passes through the atmosphere..
Which type of wave travels the fastest?
P-waves travel 60% faster than S-waves on average because the interior of the Earth does not react the same way to both of them. P-waves are compression waves that apply a force in the direction of propagation.
How much energy is in a photon?
The energy of a single photon is: hν or = (h/2π)ω where h is Planck’s constant: 6.626 x 10-34 Joule-sec. One photon of visible light contains about 10-19 Joules (not much!) the number of photons per second in a beam.
Does a photon have size?
While photons don’t have a physical diameter, and can be treated as point particles, their quantum behavior gives them a probabilistic size. … Under this definition there is no absolute “size” to a photon. The cross section also depends upon the energy of the photon and things like its polarization.
Is a photon energy?
Photon energy is the energy carried by a single photon. The amount of energy is directly proportional to the photon’s electromagnetic frequency and thus, equivalently, is inversely proportional to the wavelength.
How does a photon look like?
Imagine a shaft of yellow sunlight beaming through a window. Quantum physics tells us that beam is made of zillions of tiny packets of light, called photons, streaming through the air. … Now, Polish physicists have created the first ever hologram of a single light particle.
Do photons die?
Physicists have found that particles of light, or photons, may live for at least 1 quintillion years, and if they can die, photons may give off very light particles that could travel faster than light. … If photons can die, they could give off particles that travel faster than light.
Do all photons have same mass?
When the particle is at rest, its relativistic mass has a minimum value called the “rest mass” mrest. The rest mass is always the same for the same type of particle.
Do gamma rays or radio waves travel faster?
In a vacuum all light travels the same speed no matter what the wavelength or frequency. Gamma radiation has a smaller wavelength and larger frequency, radio waves a smaller frequency and larger wavelength. The value 700 nm is the measure of wavelength; meter is a measure of distance; speed would be meters per second.
Which photon is more energetic red or blue?
The energy of a photon depends on its wavelength: longer wavelength photons have less energy and shorter wavelength photons have more. Red photons, for example, have less energy than blue ones.
Which photon is more energetic red or yellow?
According to Equation 29.2, the energy of a photon is directly proportional to its frequency. a. The red-colored light bulb emits photons with the lowest frequency compared to light bulbs of other colors (orange, yellow, green, or blue); therefore, the red-colored light bulb emits photons with the lowest energy.
Why photon has no mass?
Light is composed of photons, so we could ask if the photon has mass. The answer is then definitely “no”: the photon is a massless particle. According to theory it has energy and momentum but no mass, and this is confirmed by experiment to within strict limits.
What happens to the wavelength of a photon after it collides with an electron?
When a photon collides with an electron then the effect of it is called Compton scattering where the photons interact with the electron, losing momentum and therefore increase in wavelength.
Which type of wave travels faster gamma radio or neither one?
Which type of wave travels faster, gamma, radio, or neither one? Answer: Neither. Both radio waves and gamma waves travel at the speed of light.
Which photon is more energetic?
Answer. We know the fact that energy of photon is inversely proportional to the wavelength and in contrast red light have high wavelength than Violet. so Violet is more energetic.
Which is more energetic photon of violet light or photon of red light?
Hence, photon of violet light has higher energy than the photon of red light.
Which color has the highest energy?
violetWhen it comes to visible light, the highest frequency color, which is violet, also has the most energy. The lowest frequency of visible light, which is red, has the least energy.
Does time exist for a photon?
Photons do not experience time. … From the perspective of a photon, there is no such thing as time. It’s emitted, and might exist for hundreds of trillions of years, but for the photon, there’s zero time elapsed between when it’s emitted and when it’s absorbed again.