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-   -   Friday Quiz time (https://www.cableforum.uk/board/showthread.php?t=49654)

homealone 07-07-2006 21:44
Re: Friday Quiz time
 
Quote:
Originally Posted by Strzelecki
Quote:
Originally Posted by homealone
diffraction and refraction are different things, though ;)
Ah good one ,thanks. I misread the first answer (dam those spellings) but as I've given it away now I can't go back (both yours and the other answer would really be incorrect).
no problem :)

Wicked_and_Crazy 07-07-2006 21:44
Re: Friday Quiz time
 
Quote:
Originally Posted by Strzelecki
---------- Post added at 21:43 ---------- Previous post was at 21:42 ----------


No you still get the point!
so why is refraction wrong? bending of light

Angua 07-07-2006 21:45
Re: Friday Quiz time
 
14 butylated hydroxytoluene (preservative)

Strzelecki 07-07-2006 21:47
Re: Friday Quiz time
 
Quote:
Originally Posted by Wicked_and_Crazy
so why is refraction wrong? bending of light
Quote:
When a Blue Jay's feather is held so it can be viewed by transmitted light and not reflected light, it reveals its true colour - brown.
Therefore it's not due to diffraction or refraction that they are blue. Do you want the point or shall I give it to Homealone?

homealone 07-07-2006 21:48
Re: Friday Quiz time
 
14 butylated hydroxy toluene - which wasn't googled, but if it is what you had in mind, strz, why only breakfast cereal?

Strzelecki 07-07-2006 21:49
Re: Friday Quiz time
 
Quote:
Originally Posted by Angua
14 butylated hydroxytoluene (preservative)
Correct

---------- Post added at 21:49 ---------- Previous post was at 21:49 ----------

Quote:
Originally Posted by homealone
14 butylated hydroxy toluene - which wasn't googled, but if it is what you had in mind, strz, why only breakfast cereal?
Already gone, did I say only?

Wicked_and_Crazy 07-07-2006 21:51
Re: Friday Quiz time
 
Quote:
Originally Posted by Strzelecki
Therefore it's not due to diffraction or refraction that they are blue. Do you want the point or shall I give it to Homealone?
exactly!! transmitted light shows brown, reflected light shows blue ie the light has been refracted

---------- Post added at 21:51 ---------- Previous post was at 21:49 ----------

12 http://en.wikipedia.org/wiki/Variometer

Strzelecki 07-07-2006 21:52
Re: Friday Quiz time
 
Quote:
Originally Posted by Wicked_and_Crazy
exactly!! transmitted light shows brown, reflected light shows blue ie the light has been refracted

---------- Post added at 21:51 ---------- Previous post was at 21:49 ----------

12 http://en.wikipedia.org/wiki/Variometer
Nope (hint:geology)

homealone 07-07-2006 21:52
Re: Friday Quiz time
 
Quote:
Originally Posted by Strzelecki
Quote:
Originally Posted by Angua
14 butylated hydroxytoluene (preservative)
Correct

---------- Post added at 21:49 ---------- Previous post was at 21:49 ----------

Quote:
Originally Posted by homealone
14 butylated hydroxy toluene - which wasn't googled, but if it is what you had in mind, strz, why only breakfast cereal?
Already gone, did I say only?
:LOL: true :D

Wicked_and_Crazy 07-07-2006 21:55
Re: Friday Quiz time
 
12 measure magnetic forces googled

Strzelecki 07-07-2006 22:00
Re: Friday Quiz time
 
Quote:
Originally Posted by Wicked_and_Crazy
12 measure magnetic forces googled
At last, well it actually measures variance in magnetic force and not the actual force itself. It one of the ways they found that the Earths magnetic field has reversed before. From the mid-atlantic ridge outwards there are magnetic stripes of rock with reverse polarities.

---------- Post added at 22:00 ---------- Previous post was at 21:58 ----------

I make 7, 9 16 and 20 to be the ones left.

Wicked_and_Crazy 07-07-2006 22:01
Re: Friday Quiz time
 
Quote:
Originally Posted by Strzelecki
At last, well it actually measures variance in magnetic force and not the actual force itself. It one of the ways they found that the Earths magnetic field has reversed before. From the mid-atlantic ridge outwards there are magnetic stripes of rock with reverse polarities.

homealone 07-07-2006 22:01
Re: Friday Quiz time
 
Quote:
Originally Posted by Strzelecki
Therefore it's not due to diffraction or refraction that they are blue. Do you want the point or shall I give it to Homealone?
it is Gary's point, not mine :)

Marge 07-07-2006 22:02
Re: Friday Quiz time
 
Any clues for 9?

---------- Post added at 22:02 ---------- Previous post was at 22:01 ----------

16) William Cullen ?

Strzelecki 07-07-2006 22:03
Re: Friday Quiz time
 
Quote:
Originally Posted by Marge
Any clues for 9?
Ok - radiation


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