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Physics paper 3 practical A-level AQA exam questions & answers
Physics paper 3 practical A-level AQA exam questions & answers 
 
 
name the SI base units - ANSWERSmetre - m 
kilogram - kg 
second - s 
ampere - A 
kelvin - K 
mole - mol 
candela - cd 
 
what are random errors, how do they arise and how can they be reduced? - ANSWERSthey cause readings to randomly fluctuate about the mean affecting precision 
 
due to observational or reading errors 
or due to the environment e.g varying temperature or supply voltage 
 
you cannot reduce random error but yo...