Photon frequency in different inertial frames

In summary, the Doppler shift, also known as the relativistic Doppler shift, is used to measure different frequencies of light in frames moving relatively at constant velocities. This is analogous to the change in tone we hear in a sound signal when the source approaches us, and the observed frequency changes due to relative motion.
  • #1
MHD93
93
0
Do we measure different frequencies of light in frames moving relatively at constant velocities?

Because when we look at an annihilation reaction from the view of different frames, we see different energies of the reactants which seem to affect the frequency of the produced photons.

your kind responses are appreciated
 
Physics news on Phys.org
  • #2
Mohammad_93 said:
Do we measure different frequencies of light in frames moving relatively at constant velocities?

Yes, it's called a Doppler shift (or, for sufficiently fast velocities, a relativistic Doppler shift).
 
  • #3
and it is analogous to a sound signal which when the source approaches you seems to change 'tone' [frequency or wavelength] as the source passes you...the observed frequency changes duo to relative motion.
 

FAQ: Photon frequency in different inertial frames

What is the concept of photon frequency in different inertial frames?

The concept of photon frequency in different inertial frames is based on the theory of special relativity, which states that the laws of physics are the same for all observers in uniform motion. This means that the frequency of light, or photons, will appear the same to all observers in different inertial frames of reference.

How does the frequency of photons change in different inertial frames?

The frequency of photons does not actually change in different inertial frames. However, due to the phenomenon of time dilation, the perceived frequency of light may appear to be different to observers in different frames of reference. This is because time is relative and can pass at different rates for different observers in different frames.

What is the relationship between photon frequency and energy in different inertial frames?

The relationship between photon frequency and energy is described by the equation E=hf, where E is the energy of a photon, h is Planck's constant, and f is the frequency of the photon. This relationship remains the same in different inertial frames, as energy is a fundamental property of the photon that is not affected by the observer's frame of reference.

Can the frequency of photons be measured in different inertial frames?

Yes, the frequency of photons can be measured in different inertial frames using various methods such as spectroscopy or interferometry. However, the perceived frequency may appear different to different observers due to the effects of time dilation and the relative motion of the observer and the source of the light.

How does the concept of photon frequency in different inertial frames relate to the speed of light?

The speed of light, or the speed at which photons travel, is constant in all inertial frames. This means that even though the frequency of photons may appear different to different observers, the speed of light will always remain the same. This is a fundamental principle of special relativity.

Similar threads

B High Frequency Photons: More Mass, More Bend?
Replies
10
Views
2K
I Speed of Light in Inertial Ref Frames: Photon Perspective
Replies
4
Views
1K
I Is an accelerating frame the same as an inertial frame at a point?
Replies
11
Views
2K
B Photon Frequency: How Special Relativity Affects Light
Replies
23
Views
2K
I Photon in a mirrored box moving in direction of travel
Replies
26
Views
1K
I Einstein vs Newton: The concept of inertial vs non inertial frames
3
Replies
72
Views
4K
I Is time dilation a real effect?
2
Replies
54
Views
2K
I About global inertial frames in GR
3
Replies
78
Views
6K
I About inertial reference frames and logical deduction
Replies
26
Views
3K
I What causes an accelerated clock to record less events
Replies
8
Views
591

Hot Threads

Recent Insights

Back
Top