🚀 go-pugleaf

On Aug 10, 10:18 am, rotchm <rot...@gmail.com> wrote:
> On Aug 10, 3:14 am, Pentcho Valev <pva...@yahoo.com> wrote:> If the observer suddenly starts moving towards the light source, the
> > frequency of light increases (Doppler effect). This has a SIMPLE
> > IMPLICATION: the wavecrests are now bumping more frequently into the
> > observer, that is, THE SPEED OF LIGHT RELATIVE TO THE OBSERVER HAS
> > INCREASED. "But this is fatal for Divine Albert's Divine Theory" - say
> > to themselves Einsteiniana's teachers and replace the SIMPLE
> > IMPLICATION with an IDIOTIC ONE:
>
> <SNIP>
>
> If the observer suddenly starts moving towards the light source, he
> will observe the source to emit at a *lower* frequency and he will
> observe the reception of the crest at a greater frequency. Confusing
> huh ?

No he will observe the source emits at a higher frequency and receive
the crestss at a greater frequency.

Ken Seto


>
> Is the observer observing the frequency of the source or the frequency
> of the received signal?
>
> And realize that there are two factors involved in the Doppler effect:
> Time dilation which changes the frequency of the source ( wrt
> observer) and the classical effect of the source "catching up" ( or
> receeding) to the wavecrest.  The first tends to reduce the received
> frequency of the crests and the latter tends to increase the received
> frequency of the crests. The net effect is an increased in the freq.
> of the received crests ( for an approaching observer/source) and the
> value is given by the relativistic formula for "Doppler effect":
> f_received = f_proper * s(1+b)/s(1-b).