Re: SAVING PHYSICS: TWO POSTULATES

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#427

From: PD
Date: Thu, 20 May 2010 20:22

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On May 20, 12:57 am, Pentcho Valev <pva...@yahoo.com> wrote:

>
> Scientists should try various rescue operations; one of them could
> consist in strict adherence to the following postulates:
>
> Postulate 1: (frequency) = (speed of light)/(wavelength)
>
> Postulate 2: The wavelength of light is constant.
>
> Postulate 1 is a universally accepted textbook formula but Postulate 2
> needs some justification. Consider this:
>

There is no point in trying to justify a postulate that is directly
counter to experimental evidence. A diffraction grating is a device
that is directly sensitive to wavelength. It's as reliable as holding
up a stick with marks on it to measure the length of a stationary
object.

The diffraction grating establishes unambiguously that the wavelength
of light is NOT constant, no matter how badly you want it to be so.

PD

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From: PD <thedraperfamily@gmail.com>
Newsgroups: sci.physics.relativity,sci.physics,fr.sci.physique,fr.sci.astrophysique,sci.astro
Subject: Re: SAVING PHYSICS: TWO POSTULATES
Date: Thu, 20 May 2010 13:22:25 -0700 (PDT)
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