WAEC Physics Practical Answers
Log L(cm): 1.9031,1.8451,1.7782,1.6990,1.6021
Log T*10^-2(s): 24.83,21.33,19.28,15.91,12.12
Log L*10^-1(cm): 19.031,18.451,17.782,16.990,16.021
SLOPE(s) = (LogT2*10^-2 - LogT1*10^-2)(/Log L2 *10^-1 - LogL1*10^-1) = (21.33-12.12(s))*10^-2/(18.50-16.02(cm)*10^-1)
i) I ensured supports of pendula were rigged
ii)I avoided parallax error on meter rule/stop w***h
1bi) simple harmonic motion is the motion of a body whose acceleration is always direct towards a fixed point and is proportional to the displacement from the fixed points
0079 shown on graph with corresponding Log L read L correctly determined
i) I ensured clean/tight terminals
ii)I opened key when reading was taken
i)brightness of the bulb increases
ii)voltage/current through the bulb increases
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