その他
Ｌａｂｏｒａｔｏｒｙ
オッシーが大学時代に使ったラボでの実験機材や、ペーパーなど。
以下の写真はジェニファーによって撮られたものです。 （These
photos were taken by Jennifer.）
Counting Statistics Experiment
Photoelectric Effect Experiment
Chaos in the Diode Circuit Experiment
Thermionic Emission of Electrons Experiment
FrancHertz Experiment
The
Counting Statistics Experiment to count gamma particle from nature and
Cessium137 source
Nobuyuki O. Physics Undergraduate
Student, Northern Arizona University in Flagstaff, AZ (Received
11
March 2004) I counted the radiation
decay in nature and from Cs137 using the GeigerMueller tube, which can detect
the gamma particle. From those data, I used Poisson distribution to determine the theoretical distribution. Then, I plotted as
a histogram of experimental and theoretical distribution. The second part of
this experiment, I used normal distribution with theoretical distribution. The
reason to use normal distribution was the number of counting was too much and I
put the data in groups called bins. Then, I integrated over the bin size. This
normal distribution was good for integration. Finally, I tested using
chisquare test to determine the
fitness of theoretical value and experimental value. Then to determine the
validity of fit, I used the chisquaretest tables. The result was 0.94 for the
low counting and 0.99 for high counting.

The
Photoelectric Effect Experiment to Calculate the Planck’s constant Using the
Mercury and Helium tube
Nobuyuki O.
Physics Undergraduate Student, Northern Arizona University in Flagstaff, AZ
(Received 20
April 2004)
The photoelectric effect experiment is to
confirm the particle theory of light. When light hit the metal, electrons are given off from the
metal. However, all light does not related to the electrons emission. Only
light that have a certain amount of energy can help electrons to be emitted
from the metal. This energy is known as the work function. From the plot of all
the data which was photoelectric current and the applied voltage, the work
function was determined, which was 1.71 V in this experiment. From this work
function, the Planck’s constant, which was , was also calculated. This value was 1.21 % error with
respect to the accepted value.

Thermionic Emission of
Electrons

FrancHertz
Experiment

Chaos in the Diode
Circuit

The Michelson
Interferometer Experiment


お勧めリンク
