physics report conclusion

Sheet1

	Average Illumination(lux)	Average Illumination(lux)	Average Illumination(lux)	Average Illumination(lux)	Average Illumination(lux)				Average Illumination(lux)	Average Illumination(lux)
kind of light bulb used	40-watt incandescent bulb	60-watt incandescent bulb	100-watt incandescent bulb	14-watt CFL	23-watt CFL				14-watt CFL	23-watt CFL
d=20cm	1506.58	1710.48	3870.33	267.05	299.17				801.15	1196.68
d=30cm	590.62	985.44	1640.01	117.47	162.76				352.41	651.04
d=40cm	383.5	418.3	883.55	60.24	93.31				180.72	373.24
d=50cm	183.67	293.47	612.23	34.41	48.56				103.23	194.24
d=60cm	154.98	134.84	376.13	19.84	35.48				59.52	141.92
1/d^2	Average Illumination(lux)							1/d^2	Average Illumination(lux)
25	1506.58							25	1710.48
11.1111111111	590.62							11.1111111111	985.44
6.25	383.5							6.25	418.3
4	183.67							4	293.47
2.7777777778	154.98							2.7777777778	134.84
slope	R^2							slope	R^2
61.165	0.9956							70.235	0.972
P	Eff							P	Eff
768.6220586273	19.2155514657							882.5990400995	14.7099840017
Error R	Error P							Error R	Error P
0.0044	1.135061274							0.028	0.4009508573
1/d^2	Average Illumination(lux)							1/d^2	Average Illumination(lux)
25	3870.33							25	801.15
11.1111111111	1640.01							11.1111111111	352.41
6.25	883.55							6.25	180.72
4	612.23							4	103.23
2.7777777778	376.13							2.7777777778	59.52
slope	R^2							slope	R^2
156.7	0.9994							33.321	0.9996
P	Eff							P	Eff
1969.1502752701	19.6915027527							418.7240352411	29.9088596601
Error R	Error P							Error R	Error P
0.0006	0.5628176788							0.0004	0.4765949559
1/d^2	Average Illumination(lux)
25	1196.68
11.1111111111	651.04
6.25	373.24
4	194.24
2.7777777778	141.92
slope	R^2
47.284	0.9849
P	Eff
594.1882681294	25.8342725274
Error R	Error P
0.0151	0.6286323324

40watt Average Illumination(lux)

Average Illumination(lux)

25 11.111111111111111 6.25 4 2.7777777777777777 1506.5800000000002 590.62 383.5 183.67000000000002 154.98000000000002

60watt Average Illumination(lux)

Average Illumination(lux)

25 11.111111111111111 6.25 4 2.7777777777777777 1710.48 985.43999999999994 418.3 293.47000000000003 134.84

100watt Average Illumination(lux)

Average Illumination(lux)

25 11.111111111111111 6.25 4 2.7777777777777777 3870.33 1640.01 883.55 612.2299999999999 376.13

14 watt Average Illumination(lux)

Average Illumination(lux)

25 11.111111111111111 6.25 4 2.7777777777777777 801.15000000000009 352.40999999999997 180.72 103.22999999999999 59.519999999999996

23 watt Average Illumination(lux)

Average Illumination(lux)

25 11.111111111111111 6.25 4 2.7777777777777777 1196.68 651.04000000000008 373.24 194.24 141.91999999999999