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Re: Does anyone really know the physical cause for time dilation and length contraction?

From Sylvia Else <sylvia@not.at.this.address>
Newsgroups sci.physics
Subject Re: Does anyone really know the physical cause for time dilation and length contraction?
Date 2016-05-28 18:19 +1000
Message-ID <dqt2klFfdhtU2@mid.individual.net> (permalink)
References (14 earlier) <fdbc99dd-2df1-452b-a121-5d06c89ba697@googlegroups.com> <usWdnT9wj7B-LtzKnZ2dnUU7-TWdnZ2d@giganews.com> <32942a53-9547-4078-9fb3-1580954866c6@googlegroups.com> <dqpntoFpvbuU2@mid.individual.net> <66e97ad6-8cdf-4e8a-8455-667235108725@googlegroups.com>

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On 27/05/2016 5:20 PM, jay moseley wrote:
> Sylvia wrote
>> Exactly as not observed in the photoelectric affect. There is a threshold frequency, below which the effect is absent, and above which the effect is noted. If this were a resonance effect, then frequencies significantly above the threshold frequency would also not produce the effect. This is hugely at variance with >the experimental result.
>
> Its a complex picture I admit. But notice that the lower
> threshold *varies* for each element. Thats consistent
> with different resonant frequencies for each element.
> Different resonant systems have different responses.

It's also consistent with the electrons in different elements requiring 
different energies to escape.

>
> But if your argument were true, and yes Ive looked at the
> kinetic energy vs frequency graphs you refer to, one
> would not get different spectral responsivity for different
> elements in solar panels. Obviously certain frequencies
> above threshold  levels are NOT producing the effect the
> graph insinuates of a smooth ever increasing response
> to frequency.

Solar panels are semiconductors, with hugely more complexity than just 
ejecting electrons into a vacuum.

Sylvia.

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Thread

Re: Does anyone really know the physical cause for time dilation and length contraction? Sylvia Else <sylvia@not.at.this.address> - 2016-05-27 11:58 +1000
  Re: Does anyone really know the physical cause for time dilation and length contraction? jay moseley <jaymoseley@hotmail.com> - 2016-05-27 00:20 -0700
    Re: Does anyone really know the physical cause for time dilation and length contraction? Sylvia Else <sylvia@not.at.this.address> - 2016-05-28 18:19 +1000
      Re: Does anyone really know the physical cause for time dilation and length contraction? jay moseley <jaymoseley@hotmail.com> - 2016-05-28 06:34 -0700
  Re: Does anyone really know the physical cause for time dilation and length contraction? "reber g=emc^2" <herbertglazier0@gmail.com> - 2016-05-27 12:53 -0700
    Re: Does anyone really know the physical cause for time dilation and length contraction? "hanson" <hanson@quick.net> - 2016-05-27 17:01 -0700

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