Qualification > Sciences
Discussion for physics P-21 CIE here!
leebux101:
for the power question : power was double so it increased..
leebux101:
r u sure abt the answer for the grating question...
sweetie:
--- Quote from: Bakhtawar on June 11, 2010, 05:08:11 pm ---r u sure abt the answer for the grating question...
--- End quote ---
nooo :-\
sweetie:
--- Quote from: Bakhtawar on June 11, 2010, 05:04:31 pm ---for the power question : power was double so it increased..
--- End quote ---
but they said that the length waz halved , so voltage waz also halved so power halves since current remains constant (P=VI)
newayz, am not sure about it, so lets c...
leebux101:
i did the calculations and stuff... i got power as 120 which is twice the previous value of 60
...not sure though...
lets see what others think..
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