Qualification > Sciences
IGCSE PHYSICS DOUBTS HERE !!!!
Arthur Bon Zavi:
--- Quote from: SimoN on January 17, 2011, 12:49:32 pm ---Can you tell me why are they multiplying, when the formula is n = sin i/ sin r :-|
--- End quote ---
Because the mark sheet says, that the candidate can take it in any form, but the reason is that which I mentioned above.
Vin:
Remember this::
From rarer to denser medium.
(AIR to GLASS)
n = sin i / sin r
...
From denser to rarer.
(GLASS to AIR)
sin r / sin i
Arthur Bon Zavi:
--- Quote from: Vin on January 17, 2011, 02:21:21 pm ---Remember this::
From rarer to denser medium.
(AIR to GLASS)
n = sin i / sin r
...
From denser to rarer.
(GLASS to AIR)
sin r / sin i
--- End quote ---
I was thinking the same.
SauD~:
--- Quote from: Vin on January 17, 2011, 02:21:21 pm ---Remember this::
From rarer to denser medium.
(AIR to GLASS)
n = sin i / sin r
...
From denser to rarer.
(GLASS to AIR)
sin r / sin i
--- End quote ---
Thanks,
i was thinking but didnt apply :-[
elemis:
I remember this question.
Yeah, Vin is correct.
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