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Physics 12 GT
Both papers were real hard and some ppl thought they gettin Bs or Cs they got A* cuz the threshold was the lowest -
Physics 12 GT
Guys no need to worry about this paper at all, if you do good in papers 2 n 3 you still end up with an A cuz they take the avg of the papers ( I have a friend who messed up like 30/120 marks in IG Maths p4 and still ended up with A*) -
Physics 12 GT
Diffraction grating had more separation and much sharper than double slit cuz in double slit con. interference occurs once where as in diffraction grat, it occurs multiple times (per unit time) Keeping D the distance from source to scrn const. Normally in double slit x is in the order of mms, in... -
Physics 12 GT
Well force on the charge remains const. As electric field strength is constant, thus acc is const E=FS where E is kinetic energy and S is the disp from the negative plate -
Physics 12 GT
Ya your answer is correct (Y) I checked it cuz I still remember some qs -
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Physics 12 GT
graph is a direct proportionality one between Ek and s (assuming resistive force is negligible) -
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Physics 12 GT
Well it was but most of the qs are calculations which is easy, just needed like 15 more mins to check the paper n do the toughest qs (had to guess 3 q)