Qualification > Sciences
ALL PHYSICS DOUBTS - POST HERE !!
Ghost Of Highbury:
--- Quote from: Girlie45 on May 26, 2010, 09:35:23 am ---Hey guys in O/N 05 ,paper 1, question 39 why is the answer B ? ???
I thought B-particles only change the proton number :S
--- End quote ---
a neutron spilts into a proton and an electron, the electron is emitted.
so no. of neutrons decreases by 1, and no. of protons increases by 1.
CatAly$t:
me too i was solving p3 2003 and got 6.4*10^5
what is the real answer...m confused now....ms said 64.... ??? ??? :-\
SoONa:
A force acts on a moving rubber ball.
How many of the following changes could happen to the ball because of the force?
• a change in direction
• a change in shape
• a change in mass
• a change in speed
A 1 B 2 C 3 D 4
the answer is C which is 3 but i didnt understand why??
Weaam:
--- Quote from: ~VIN1094~ on May 26, 2010, 07:07:27 am ---ok i know you are off to give the exam but .. for ur knowledge
when the atmospheric pressure increases the level rises .. look for the attachment ..
Pressure at P remains the same because P is a vacuum which is nor affected by pressure ..
--- End quote ---
Im done with the exam but thanks anyway ;)
haris94:
--- Quote from: CatAly$t on May 26, 2010, 09:37:19 am ---me too i was solving p3 2003 and got 6.4*10^5
what is the real answer...m confused now....ms said 64.... ??? ??? :-\
--- End quote ---
it has to be 6.4*10^5 Pa
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