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Physics A levels Help!

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Well the nucleus is taking an electron from its own orbital so the no of electron wud decrease by 1 nd the no of neutron wud increase by 1 :)
 
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Well the nucleus is taking an electron from its own orbital so the no of electron wud decrease by 1 nd the no of neutron wud increase by 1 :)

Ok, electrons minus 1, then is it because the charge of nucleus is not balance, so 1 proton of the nucleus combine with the electrons, form a neutron, hence the number of neutron increase 1, number of proton decrease by 1?
 
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Ok, electrons minus 1, then is it because the charge of nucleus is not balance, so 1 proton of the nucleus combine with the electrons, form a neutron, hence the number of neutron increase 1, number of proton decrease by 1?

Due to my assumtion proton does not take any part ...
That is y the proton no remains the same ...
AND proton does NOT form with the electron to form a neutron ... :)
 
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Well in 14 the weight 20 N is going down nd F is on the right as on the left there is a wall so no force nd the tension on the wire that is 40 i.e hypotenuse ( dnt mind the speling if it wrong ) :D :p
 
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For 26 m using the ratio method i.e if A = E so 2A wud obviously be 2E ...
It cnt be less or equal to E as the surface area was decreased nd as it decreases the energy increases :)
 
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For 25 ..
In a transverse wave , the movement of the wave is always the opposite to the direction of motion ...
As P is going upwards its arrow wud be downwards ...
Q wud come down nd wud have a 0 displacement :)
U can confirm it with others if u doubt me ...
 
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