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Physics P6 HELP !!

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Q80BOY:
Hey guys,

I need help with the following questions

(1) Physics P6 May/June 2007

Q3 Part (b) and (c) (**DONE**)

(2) Physics P6 October/November 2006
Q1 Part (c) (**DONE**)
[b]Q3[/b] Part (b) (**DONE**)

(3) Physics P6 May/June 2006

Q1 Part (d) <-- i didnt understand ur answer astar plz help !   :'(
Q3 Part (a) Section (v) and (vi) (**DONE**)
Q5 Part (a) (**DONE**)

Thanks a lot for your help !!

sweetsh:
Astar your help is needed over here

godfather93:
Physics P6 May/June 2007
Q3 Part (b)(c) The answer is R is proportional to 1/d2 because when you double the diameter the resistance is decreased by 4 times. The diameter is inversely proportional to d (check the values of the resistance you calculated in the table and see whether the answer to wire AB is 4 times the answer to CD)

(2) Physics P6 October/November 2006
Q3 Part (b) (i)You should place 2 pins on the incident ray (GJ) and 2 pins on the reflected ray (GK). You have already found the position of pin A previously. Make sure that the gap between the pins on the same ray are atleast further apart than 5 cm (the theory to this complicated and you don't really need to know it).
(ii) You would view the bases because it is easiest to view if the pins are standing upright or not.

astarmathsandphysics:
Which board is this for? I am sure it is not CIE.

godfather93:
well from whats written it looks like cie paper 6 alternative to coursework

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