When blue shift occurs, how does the wavelength of light that we see change?

1 answer:

6 0

The doppler effect changes the wavelength of the light emitted, depending upon whether source is moving away or coming towards the detector.
Doppler effect in light is actually a relativistic effect (caused due to relativistic time dilaton and can be explained by special theory of relativity) but somewhat similar to the one which happens in sound waves. This effect has nothing to do with the bending in spacetime.
When the source is moving away from the detector, the wavelength of the light emitted from the source appears to be increased as seen by the detector (think of a wave being stretched), as a result the frequency decreases (since, speed of light is constant in all frames). Due to this decrease in frequency the light emitted from the source appears more red (since red color is on low frequency side in the electromagnetic spectrum) compared to the situation when source was at rest.
Vice versa for the source moving towards the detector
This shift in frequency is also known as doppler shift.
The shift in frequency when the source is moving away is known as redshift and the opposite one is known as blueshift.

You might be interested in

What role did the fossil glossospteris play in wegeners hypothesis

Georgia [21]

They were on separate landmasses, but I'm not really sure this answers the question, you should try just asking google.

8 0

3 years ago

Read 2 more answers

Why were bodies of pharaohs and other important people preserved as mummies? Why were they then put into pyramids?

Ulleksa [173]

Answer:

Because Egyptians believed that this life is just one phase that lead to the one that starts after we die. That is why pharaohs and important persons were mummified so their body would be preserved to continue the road. They were put in pyramids, because they were built to be their tombs.

Explanation:

Process of mummification was a complex process which usually lasted for 17 days. Everything had to be well-planned and people who were involved in this process were to be very careful. Pyramids that were built as burial places actually presented greatness and importance of pharaoh that was to be buried in them.

5 0

2 years ago

What type of values does NATO promote?

likoan [24]

Answer:

$\begin{gathered}\begin{gathered} \small \colorbox{grey}{\color{lightgreen}{✓\sf \,\:\,Verified \, Answer} \:} \\ \small\colorbox{grey}{\!\, \orange{♛\:\sf Brainliest \, Answer}} \end{gathered}\end{gathered}$

✒️ Subject

$\huge\orange{\overline{\qquad\qquad\qquad\qquad \: \: \: }}$

$\color {red}{᯽}\color {orange}{᯽}\color {yellow}{᯽}\color {lime}{᯽}\color {green}{᯽}\color {cyan}{᯽}\color {aquamarine}{᯽}\color {indigo}{᯽}\color {blue}{᯽}\color {violet}{᯽}\color {blueviolet}{᯽}\color {pink}{᯽}\color {magenta}{᯽} \color {brown}{᯽}\color {gray}{᯽}\color {black}{᯽}$

$\huge\color{red}{\boxed{\tt{A}}}\color{orange}{\boxed{\tt{N}}}\color{lime}{\boxed{\tt{S}}}\color{aqua}{\boxed{\tt{W}}}\color{violet}{\boxed{\tt{E}}}\color{pink}{\boxed{\tt{R}}}\color{magenta}$