Using Calipers

There are two Calipers introduced to us during the activity-vernier and micrometer. I already mentioned these two together with the thai grain rice experiment before in my first post. The difference here is that I'll explain them in more detail and let you see how they are instrumental in measuring the length of the grain rice. In other words, this post will be more about our data sheets and analysis during the experiment.

In measuring the length of a thai grain rice, we prefer to use the vernier caliper because it's more convenient. Below are the data:

Bin Min	Bin Max	Bin Mid	Count	Frequency	Normalized	Gaussian Fit
5.0000	5.0692	0.0346	1	0.0932314003	1.18441554618857E-045	0.0130280707
5.0692	5.1384		0	0	7.40964530346269E-047	0.0237251447
5.1384	5.2076		0	0	7.40964530346269E-047	0.0423403352
5.2076	5.2768		0	0	7.40964530346269E-047	0.0740485178
5.2768	5.3460		0	0	7.40964530346269E-047	0.1269097838
5.3460	5.4152		0	0	7.40964530346269E-047	0.2131525319
5.4152	5.4844		1	0.0932314003	1.1844155461886E-045	0.3508347019
5.4844	5.5536		0	0	7.40964530346269E-047	0.5658889956
5.5536	5.6228		0	0	7.40964530346269E-047	0.8944923075
5.6228	5.6920		0	0	7.40964530346269E-047	1.3856024039
5.6920	5.7612		0	0	7.40964530346269E-047	2.1033778824
5.7612	5.8304		0	0	7.40964530346269E-047	3.1290509464
5.8304	5.8996		0	0	7.40964530346269E-047	4.5616779613
5.8996	5.9688		0	0	7.40964530346269E-047	6.5170832243
5.9688	6.0380		0	0	7.40964530346269E-047	9.1242792493
6.0380	6.1072		2	0.1864628007	1.82502032049988E-044	12.5187373118
6.1072	6.1764		3	0.279694201	2.71074231271194E-043	16.8321324991
6.1764	6.2456		2	0.1864628007	1.82502032049988E-044	22.178614514
6.2456	6.3148		2	0.1864628007	1.82502032049988E-044	28.6382410689
6.3148	6.3840		0	0	7.40964530346269E-047	36.2388932109
6.3840	6.4532		4	0.3729256013	3.88119703027619E-042	44.9386649929
6.4532	6.5224		5	0.4661570017	5.35673387670102E-041	54.6112433742
6.5224	6.5916		1	0.0932314003	1.1844155461886E-045	65.0370178378
6.5916	6.6608		6	0.559388402	7.12674757987528E-040	75.9024563134
6.6608	6.7300		5	0.4661570017	5.35673387670102E-041	86.809588688
6.7300	6.7992		3	0.279694201	2.71074231271194E-043	97.2962771429
6.7992	6.8684		6	0.559388402	7.12674757987528E-040	106.8664553253
6.8684	6.9376		8	0.7458512027	1.12991237199024E-037	115.0279135589
6.9376	7.0068		11	1.0255454037	1.71278078871405E-034	121.3337825975
7.0068	7.0760		13	1.2120082044	1.88115430804898E-032	125.4229144574
7.0760	7.1452		9	0.839082603	1.34650151135402E-036	127.0541035215
7.1452	7.2144		6	0.559388402	7.12674757987528E-040	126.1296413469
7.2144	7.2836		4	0.3729256013	3.88119703027619E-042	122.7050062954
7.2836	7.3528		13	1.2120082044	1.88115430804898E-032	116.9833516354
7.3528	7.4220		18	1.678165206	1.25091329221721E-027	109.2955536904
7.4220	7.4912		9	0.839082603	1.34650151135402E-036	100.06854514
7.4912	7.5604		4	0.3729256013	3.88119703027619E-042	89.7861467167
7.5604	7.6296		4	0.3729256013	3.88119703027619E-042	78.9473829867
7.6296	7.6988		3	0.279694201	2.71074231271194E-043	68.0272319038
7.6988	7.7680		1	0.0932314003	1.1844155461886E-045	57.4439793377
7.7680	7.8372		6	0.559388402	7.12674757987528E-040	47.5360281728
7.8372	7.9064		2	0.1864628007	1.82502032049988E-044	38.5494266427
7.9064	7.9756		0	0	7.40964530346269E-047	30.6358271756
7.9756	8.0448		2	0.1864628007	1.82502032049988E-044	23.8593141469
8.0448	8.1140		0	0	7.40964530346269E-047	18.209706944
8.1140	8.1832		0	0	7.40964530346269E-047	13.6196082049
8.1832	8.2524		0	0	7.40964530346269E-047	9.982582979
8.2524	8.3216		0	0	7.40964530346269E-047	7.1703094678
8.3216	8.3908		0	0	7.40964530346269E-047	5.0471885349
8.3908	8.4600		0	0	7.40964530346269E-047	3.4815914916

(C.G. Sevilla, What is the Length of a Thai Grain Rice?, blogpost from http://thephysics101p1files.blogspot.com/2015/02/what-is-length-of-1-rice-grain.html , accessed: 02/16/2015)

*data gathered by Christopher Gerard Sevilla, Jessa Kara Gascon, and Joevanie Cañete Jr. during their Physics 101.1

And its graph as expected will be bell-shaped

(C.G. Sevilla, What is the Length of a Thai Grain Rice?, blogpost from http://thephysics101p1files.blogspot.com/2015/02/what-is-length-of-1-rice-grain.html , accessed: 02/16/2015)

At a later date we we're given the class data. In comparison, the number of data of the class is relatively much greater than just our class data. What does this mean? We expect a "better" curve so a better approximation of the length of a thai grain rice.

(C.G. Sevilla, What is the Length of a Thai Grain Rice?, blogpost from http://thephysics101p1files.blogspot.com/2015/02/what-is-length-of-1-rice-grain.html , accessed: 03/16/2015)