Physics 3LC Final| Ques ons and answers | Updated
RATED A+ | NEW 2026
What are photons?
A. electrons
B. Tiny quan zed packets of light.
C. protons
D. name of a rock group
E. neutrons
B. Tiny Quan zed Packets of light.
What happens in the photoelectric effect?
A. Electrons hit a metal and electrons are emi$ed.
B. Light hits a metal and photons are emi$ed.
C. Electrons hit a metal and light is emi$ed.
D. Light hits a metal and protons are emi$ed.
E. Light hits a metal and electrons are emi$ed.
Lights Hit metal and Electrons are emi$ed.
What should the digital mul meter be set to read?
A. power
B. impedance
C. current
D. voltage
E. resistance
Voltage
Which of the following DOES NOT describe projec on imaging?
A. Images are formed by projec ng a beam through the pa ent's body and cas ng shadows
onto an appropriate receptor
B. Spa al distor on is generally not a major problem
C. Produces images of selected planes or slices of ssue of the pa ent's body
D. A large volume of the pa ent's body can be viewed with one image
E. All of the above describe projec on imaging.
C. Produces Images of selected planes or slices of ssues of the pa ent's body.
, Which of the following DOES NOT describe tomographic imaging?
A. A large volume of the pa ent's body can be viewed with one image
B. Produces images of selected planes or slices of ssue of the pa ent's body
C. Includes PET and MRI scans
D. Increased visibility of objects within the imaged plane due to absence of overlying objects
E. All of the above describes tomographic imaging
Large volumes of pa ents body viewed with one image.
An ordinary dental X-ray uses which imaging technique(s)?
A. Sonography
B. Projec on
C. Tomography
D. None of the above
Projec on
Which of the following is NOT a requirement for a suitable probe beam?
A. It interacts with the sample to produce useful informa on
B. It can penetrate the body
C. Harmful, unwanted interac ons with the body are minimal
D. It interacts with a large number of cells
E. All of the above are requirements for a suitable probe beam
It interacts with a large number of cells.
Some wave energy can penetrate and pass through a sample. This is a descrip on of what type
of interac on with ma$er?
A. Transmission
B. Absorp on
C. Reflec on
D. Incidence
Transmission
Which of the following is true for the reflec on coefficient for a perfect mirror?
A. The ra o of reflected intensity to ini al intensity is zero
B. It / Io = 1
C. Ir / Io = 1
D. Ir / Io = It / Io
E. All of the above
Ir / Io = 1
RATED A+ | NEW 2026
What are photons?
A. electrons
B. Tiny quan zed packets of light.
C. protons
D. name of a rock group
E. neutrons
B. Tiny Quan zed Packets of light.
What happens in the photoelectric effect?
A. Electrons hit a metal and electrons are emi$ed.
B. Light hits a metal and photons are emi$ed.
C. Electrons hit a metal and light is emi$ed.
D. Light hits a metal and protons are emi$ed.
E. Light hits a metal and electrons are emi$ed.
Lights Hit metal and Electrons are emi$ed.
What should the digital mul meter be set to read?
A. power
B. impedance
C. current
D. voltage
E. resistance
Voltage
Which of the following DOES NOT describe projec on imaging?
A. Images are formed by projec ng a beam through the pa ent's body and cas ng shadows
onto an appropriate receptor
B. Spa al distor on is generally not a major problem
C. Produces images of selected planes or slices of ssue of the pa ent's body
D. A large volume of the pa ent's body can be viewed with one image
E. All of the above describe projec on imaging.
C. Produces Images of selected planes or slices of ssues of the pa ent's body.
, Which of the following DOES NOT describe tomographic imaging?
A. A large volume of the pa ent's body can be viewed with one image
B. Produces images of selected planes or slices of ssue of the pa ent's body
C. Includes PET and MRI scans
D. Increased visibility of objects within the imaged plane due to absence of overlying objects
E. All of the above describes tomographic imaging
Large volumes of pa ents body viewed with one image.
An ordinary dental X-ray uses which imaging technique(s)?
A. Sonography
B. Projec on
C. Tomography
D. None of the above
Projec on
Which of the following is NOT a requirement for a suitable probe beam?
A. It interacts with the sample to produce useful informa on
B. It can penetrate the body
C. Harmful, unwanted interac ons with the body are minimal
D. It interacts with a large number of cells
E. All of the above are requirements for a suitable probe beam
It interacts with a large number of cells.
Some wave energy can penetrate and pass through a sample. This is a descrip on of what type
of interac on with ma$er?
A. Transmission
B. Absorp on
C. Reflec on
D. Incidence
Transmission
Which of the following is true for the reflec on coefficient for a perfect mirror?
A. The ra o of reflected intensity to ini al intensity is zero
B. It / Io = 1
C. Ir / Io = 1
D. Ir / Io = It / Io
E. All of the above
Ir / Io = 1
