Larry's NMTPHY Final 2020

Generators, Cyclotrons and linear accelerators, and nuclear reactors are all ways of

What is the prefix for one trillion?

Sv usually implies a tissue weighting factor should have been applied

what can happen when a photon passes through matter

l=1 is also called the

Which scientists found the existence of alpha and beta rays in uranium radiation

As the electron moves farther away from the nucleus the electric potential decrease

The neutron is absorbed by a nucleus.The extra energy causes elongated shape. Whats this refer2

Classical physics sates that?

The number that expresses the probability of decay 4 a single nucleus in a given period of time

Which scientists was created in finding the “nucleus“ of the atom

This scientists described the paths of electrons is an atom in terms of energy levels

When an electron is ionized by an alpha particle, it has a lot of energy. What is this called?

Who discovered radioactivity?

Who was responsible for the photoelectric effect?

Specific ionization blanks with mass and charge and blanks with higher velocities

What did Rutherford conclude from his gold foil experiment?

What scientists was awarded two noble prize?

This equation relates mass to energy

What is the atomic weight?

A blank is the vibrating source that gives rise to EM waves

What is isobaric

EM phenomenon better explained by waves.

Alpha particles loose about

what symbol is the atomic number, that always equals the number of protons of the atom

When the atom gains an electron, the atom becomes negatively charged.In this state it is called

What does the Bragg Curve show

The description of how electrons are arranged around the nucleus of the atom

The time it takes for 1/2 the original radioactive material to decay

A particle can only have specific values for its energy, and specific values for its speed.

The Bragg ionization curve shows as a particle comes to the end of its ionization period

All are processes through which a photon interacts with matter except

What is diffraction?

Occurs when there is more protons then neutrons

What causes electromagnetic waves

Which force is attractive only?

True or False.The electric field is always parallel to the magnetic field.

electron volt is the

What was the last question referring to?

The photon transfers ALL its energy to one of the electrons in the atom.

ways to measure radioactivity

Particle emission

Operates between protons and neutrons

There really three reactions that can happen once the positron is emitted

Which force essentially, keeps the electrons in orbit around the nucleus.

How much energy was deposited on an object/person

What are commonly used for fission reactions

When a nuclide is in it’s energized state it is called

What determine the orientation of an orbital

Which scientist is associated with the liquid drop model?

This happens when high energy gamma rays interact in the vicinity of the nucleus.

Gy and Sv have the same units and are interchangeable

Rem is a measurement for

An orbital can be empt, contain 1 electron, contain 2 electron but it can not

Happen when the t_phys of the parent is approximately 10x larger than the t_phys of the daughter.

Who had the plum pudding model?

What quantum number determines the shape of an orbital.

What quantum number determines the energy level?

Electric fields store energy and this function is commonly used in a

What is the SI unit for exposure

What is the graph referring to?

Operates between the electrons and protons

The size of the atom is given a special name called the

EM waves have a dual nature. They can be explained both by wave theory and particle theory.

The smaller the opening the

The proton and the neutron are each about how much larger then the electron

Has the highest specific ionization

The first two quantum numbers determine

Requires low thermal neutrons

Represents the probability of the interaction of photon passing through unit area of a material

The protons and neutrons make up the nucleus of the atom

What measures exposure

Larger particles tend to be in a

Intensity equals?

Eventually comes 2 rest and joins with an electron and becomes part of an annihilation reaction

Attenuation occurs for the

The electron volt is a unit of

the sum of all the different decay times of each nucleus divided by the number of nuclei

Cyclotrons operate between what range

l=0 is also called the

2n² determines

What is the written form for μ?

single system in which a long lived parent nuclide decays into a short-lived daughter nuclide.

Associated with the discovery of the x-ray

What is isomer

What waves travel at the speed of light?

The range of radii of atoms in the periodic table is approximately

Occurs when there is more neutrons then protons

The size of the atom is from 1 to 5 Angstroms Å.

Bohr proposed that the possible energy states for atomic electrons were quantized. which means?

List the forces in order from weakest to strongest

Which force operates in radioactive decay

he material used to separate the nuclide

What did Huygen discover?

How much energy deposited weighted for the type of radiation

LET expressess

Cause she the daughter Nuclide to be more stable

Cuties and Bequere are units of

There must be at least 1.022 MeV of energy for this to occur

Characteristi x-ray and auger electron are associated with

When the atom loses an electron it becomes positively charged. In this state it is called

With Bremsstrahlung: They are attracted to the nucleus.

Results in isomeric transition

What two compete with each other to make a radioactive nuclide life stable

Electromagnetic waves are waves of

The electron configuration is commonly used to describe the orbitals of an atom in its

The higher the decay constant the

Dependence on Z

The photon transfers all its energy to one of the electrons in the atom.

B can be isolated easier.

What symbol is the number of neutrons

EMR emission

Can electromagnetic waves travel through a vacuum?

A decay constant is particular to a specific nuclide

More possible with fast neutrons. Fast neutrons cause a proton to escape.

A measurement that expresses the number of ion pairs per unit path

The higher the decay constant the higher the probability of nuclides rate of decay

With Bremsstrahlung: They are repelled by the nucleus.

Eventually comes to rest mass and joins with a neighboring atom.

What is a difference between linear accelerator and cyclotrons

What has a longer wavelength?

The size of the atom ranges from approximately

How much energy depositEd, weighted for tissue sensitivity

Every metal has a Work Function which defines an energy threshold that?

The radiation pressure is related to the average

This equation relates frequency to energy

if energy in the nucleus does not emit γ but instead transfers all energy to a orbital electron

Chemical separation of target and product nuclide not possible because the products r isotopes.

Because a new nuclide is made, separation is easier

What order do waves go in from greatest frequency to lower frequency?

Nucleons are

What waves operate at higher frequencies?

what is the physical property of a subatomic particle that causes an electric field

EM phenonmenon better explained by particles.

Which electrons are electrons in a fully filled shell and are considered stable.

What did Young's double split experiment show?

source of ↑ energy protron, deutron,helium atom &other particles capable of accepting a charge

n=

Rods contain enriched ²³⁵ R that undergo fission

Can exist in a metastable form

Prevent a nuclear meltdown and controls the rate of the nuclear reaction

Usually occurs in nuclides in the upper third of the serge chart