PHYS 3650L - Modern Physics Laboratory
Laboratory Advanced Sheet
Absorption of beta particles
1. Objectives. The objective of this laboratory is to investigate the absorption of
beta particles.
2. Theory.
Charged particles have a definite range in matter.
PHYS 3650L - Modern Physics Laboratory
Laboratory Advanced Sheet
Half-Life
1. Objectives. The objective of the lab is to experimentally determine the half -life
of 137mBa.
2. Theory.
a. Radioactivity is the spontaneous change in the state of a nucleus
wit
PHYS 3650L - Modern Physics Laboratory
Laboratory Advanced Sheet
Geiger-Mller Counting System
1. Objectives. The objectives of this laboratory are to
a.
Be able to connect the electronic components that make up a GeigerMller counting system and place the
PHYS 3650L - Modern Physics Laboratory
Laboratory Advanced Sheet
e/m ratio
1. Objectives. The objective of this laboratory is to measure the charge to mass
ratio of an electron.
2. Theory.
a. As a charged particle enters the magnetic field directed perpen
PHYS 3650L - Modern Physics Laboratory
Laboratory Advanced Sheet
Bragg Diffraction
1. Objectives. The objectives of this laboratory are
a. to understand the principles behind Bragg diffraction technique, and
b. to determine the wavelength of the probing r
PHYS 3650L - Modern Physics Laboratory
Laboratory Advanced Sheet
Photoelectric Effect
1. Objectives. The objectives of this laboratory are
a. to verify the dependence of stopping potential on the wavelength of light,
b. to determine Planck's constant, and
PHYS 3650L - Modern Physics Laboratory
Laboratory Advanced Sheet
Photon Attenuation
1. Objectives. The objectives of this laboratory exercise are:
a.
To measure the mass attenuation coefficient at a gamma ray energy
of 661.7 keV.
b.
To verify the exponent
PHYS 3650L - Modern Physics Laboratory
Laboratory Advanced Sheet
The Emission Spectrum of Hydrogen
1. Objectives. The objectives of this laboratory are
a. to study the emission spectrum of hydrogen, and
b. to determine Rydberg constant.
2. Theory.
a. If a
PHYS 3650L - Modern Physics Laboratory
Laboratory Advanced Sheet
The Absorption Spectra
1. Objectives. The objective of this laboratory is to measure the wavelengths of
light absorbed by a liquid sample.
2. Theory.
An incandescent source such as a hot sol
PHYS 3650L - Modern Physics Laboratory
Laboratory Advanced Sheet
Speed of Light
1. Objectives. The objective of this laboratory is to use the Foucault method to measure
the speed of light.
2. Theory. The Foucault method.
Figure 1. Diagram of the Foucault