Someone please call them to explain a 'red-shift'

[Jack by the hedge]

<multiple ad-homs snipped>
Wavelength and the Index of Refraction
...As light moves from air into water, it not only slows, but the wavelength changes. The animation below illustrates how the wavelength becomes shorter in the denser medium of water.

what wavelength is blue?

what wavelength is red?

Right back at ya. While the light is passing through the water, its wavelength is shortened. Someone who was stubbornly determined to misunderstand might insist it was blue shifted. If they also made a basic maths error, they might insist it was red shifted. This is of course stupid and wrong, as its frequency remains unaffected.

Of course, as soon as it leaves the water, the light returns to its original wavelength. This is not what we see with intergalactic light. Therefore you are wrong.

 

[AvalonXQ]

reversed? That would break the second law of thermodynamics.

Can you explain how?
Numbers and/or formulas would be wonderful if you please.

 

[Bishadi]

Greetings Bishadi,

Let's do a thought experiment. Pretend you're locked in a room with a single monochromatic light source. For argument's sake, say its 480 nm, but any wavelength will do. Also in this room is a detector which detects the wavelength of light. This detector is set to open the door when it detects visible light that differs from the 480 nm light that's being emitted. You have at your disposal any amount of lenses, mirrors, prisms, glasses of water, etc. Anything you want so long as you don't use the equipment as a new light source. This means you can't just light a match to generate new light. You have to change the wavelength of the 480 nm light to escape. How would you escape the room?

OK.....

I will use the 'light' of 2.45g (of a magnetron producing a single wavelength of em (light)) and then hold a cup of water and once heated add coffee and creamer. How many NEW wavelengths would i have from that 'heat' conversion?

im out....... (plato's cave)

 

[Bishadi]

Can you explain how?

you claim the light is coming in at x velocity and, then within is a lower velocity, then when emitted, its velocity increases.

What increased the velocity (increased the potential (kinetic) to the light)?

Numbers and/or formulas would be wonderful if you please.

this thread has enough information for you to do your own homework.

 

[AvalonXQ]

you claim the light is coming in at x velocity and, then within is a lower velocity, then when emitted, its velocity increases.

What increased the velocity (increased the potential (kinetic) to the light)?

How does that have anything to do with the Second Law of Thermodynamics?
Do you even know what the Second Law is?

this thread has enough information for you to do your own homework.

You know, that's a good point.
Absolutely every misstatement you've made and question you've asked could be answered by spending a good half-hour reading through basic science articles on Wikipedia.
But you apparently can't be bothered.
I would appreciate it if you would prove that you at least understand these basic concepts before we engage again. Thank you.

 

[Jack by the hedge]

so, is a sunset, offer a comprehension of a redshift?

or do idiots actually believe that the universe is expanding when not a one of you have ever experienced it?

No, a sunset is not an example of redshift. It is an example of varying degree of scattering of different wavelengths. If you examine the emission lines in sunlight at noon and sunset, you can measure the lack of redshift.

We infer the universe is expanding because light which has spent a long time crossing it has itself expanded, as witnessed by its emission lines. Your alternative "explanation" of redshift does not work, therefore it does not constitute any kind of explanation.

 

[Bishadi]

Right back at ya. While the light is passing through the water, its wavelength is shortened. Someone who was stubbornly determined to misunderstand might insist it was blue shifted. If they also made a basic maths error, they might insist it was red shifted. This is of course stupid and wrong, as its frequency remains unaffected.

apparently you have no idea what you are talking about.

as ooooosual



try basic wiki on radial velocity

Light from an object with a substantial relative radial velocity at emission will be subject to the Doppler effect, so the frequency of the light decreases for objects that were receding (redshift) and increases for objects that were approaching (blueshift).

The radial velocity of a star or other luminous distant objects can be measured accurately by taking a high-resolution spectrum and comparing the measured wavelengths of known spectral lines to wavelengths from laboratory measurements. A positive radial velocity indicates the distance between the objects is or was increasing; a negative radial velocity indicates the distance between the source and observer is or was decreasing

. Therefore you are wrong.

i used your quote, in case you like to see yourself

 

[Jack by the hedge]

OK.....

I will use the 'light' of 2.45g (of a magnetron producing a single wavelength of em (light)) and then hold a cup of water and once heated add coffee and creamer. How many NEW wavelengths would i have from that 'heat' conversion?

im out....... (plato's cave)

You would have made a lot of infrared, but you forgot that the detector only responds to visible light.

 

[Unlike a Bull]

OK.....

I will use the 'light' of 2.45g (of a magnetron producing a single wavelength of em (light)) and then hold a cup of water and once heated add coffee and creamer. How many NEW wavelengths would i have from that 'heat' conversion?

im out....... (plato's cave)

The detector is set to detect visible light that differs from 480. Unless your coffee glows in the dark, you're still trapped in the room. And the goal is to change the wavelength of the light in the room, not to make coffee.

 

[AvalonXQ]

This isn't hard. The Doppler effect is a change in frequency. A change in media does not change frequency, only speed/wavelength. Hence, a change of medium does not account for the observed change in frequency.

 

[Bishadi]

How does that have anything to do with the Second Law of Thermodynamics?
Do you even know what the Second Law is?

to equilibrate; a reduction of the 'speed' per the idiots who are speed bound (kinetic only adherants)




ie... if the particle (photon) is slowed UPON MASS (that in itself is a law breaker of relativity), but if slowed and then 'speeds up' upon emission, where is that velocity coming from?



is it the crank of the addicted

 

[AvalonXQ]

You didn't answer my question.
How does the speeding up of EM radiation when moving from one medium to another that have anything to do with the Second Law of Thermodynamics?
Do you even know what the Second Law is?

 

[edd]

The detector is set to detect visible light that differs from 480. Unless your coffee glows in the dark, you're still trapped in the room. And the goal is to change the wavelength of the light in the room, not to make coffee.

To be fair, if you're not going to get out, having a coffee might help while you wait for someone to rescue you.

Funnily enough though, I have a way to do it.

 

[Jack by the hedge]

apparently you have no idea what you are talking about.

as ooooosual

<ad-hom left in this time>

Funny. You respond to criticism of your notions about light passing through water with an irrelevant reference to galactic redshift.

When light passes from air to water its wavelength becomes shorter.
That is what your previous cut n' paste said, is it not?
Take a moment to go back and read what you posted, just to confirm...

OK. So the wavelength gets shorter, yes?
Is a shortened wavelength of light shifted toward the blue or the red end of the spectrum?
Take your time.

Blue is the answer.
Ladies and gentlemen, we have a loser.

 

[Bishadi]

The detector is set to detect visible light that differs from 480.

isnt all em, just light (electromagnetic)?

Who cares if it is visible as that is a tiny range?

I put up a wavelength, that i know affects water (evidence the microwave oven) and i knew that h2o will convert the energy (em) to many other wavelengths.

Unless your coffee glows in the dark, you're still trapped in the room. And the goal is to change the wavelength of the light in the room, not to make coffee.

You dont like it when you are stumped do you.

A microwave's magnetron releases ONE wavelength as the specimen and it is light (em) and i know and the majority who comprehend, also know that.

but you dont know how to be honest with yourself and realize, you have no argument.

get over it

 

[Mojo]

OK.....

I will use the 'light' of 2.45g (of a magnetron producing a single wavelength of em (light)) and then hold a cup of water and once heated add coffee and creamer. How many NEW wavelengths would i have from that 'heat' conversion?

How hot are you planning to make this coffee?

 

[Bishadi]

Funny. You respond to criticism of your notions about light passing through water with an irrelevant reference to galactic redshift.

When light passes from air to water its wavelength becomes shorter.
That is what your previous cut n' paste said, is it not?
Take a moment to go back and read what you posted, just to confirm...

OK. So the wavelength gets shorter, yes?
Is a shortened wavelength of light shifted toward the blue or the red end of the spectrum?
Take your time.

Blue is the answer.
Ladies and gentlemen, we have a loser.

hence the 'shift'.

You just pointed out, you comprehnd and accept the shift and even ranted previously about what a blue shift is.


The mass is doing it.

 

[edd]

I put up a wavelength, that i know affects water (evidence the microwave oven) and i knew that h2o will convert the energy (em) to many other wavelengths.

a) you were not given that as an option
b) that demonstrates nothing like it can be a mechanism for redshift because it only works at the wavelength you chose, not the one Unlike a Bull did
c) that demonstrates nothing like it can be a mechanism for redshift because it is essentially a scattering mechanism

No mechanism like it, even magic ones that somehow manage to reduce the frequency of a photon by the right amount, can work as an explanation for redshift. That entire and very general class of models has been ruled out. See my link earlier.

 

[Bishadi]

How hot are you planning to make this coffee?

drinking it now.

but i keep returning to the cave so other can see the light too

 

[Jack by the hedge]

isnt all em, just light (electromagnetic)?

Who cares if it is visible as that is a tiny range?

I put up a wavelength, that i know affects water (evidence the microwave oven) and i knew that h2o will convert the energy (em) to many other wavelengths.



You dont like it when you are stumped do you.

The original question was perfectly clear. The detector detects visible light. You fail the test. The rest is irrelevant.