Transcript P3 REVISION – CHAPTER 1 – Medical

P3 REVISION – CHAPTER 1 – Medical Application of Physics
How are Ultrasound
Waves used and what are
the risks?
Describe the properties and uses of Xrays
What are the advantages and disadvantages of CAT scans?
Draw a diagram of a converging lens going through a lens and a
diagram of a diverging lens going through a lens. Label the two
images
What are the differences and similarities of a
camera and the eye?
What is meant by
refraction?
By which two
equations can a
refractive index be
found?
What is an endoscope?
KEY WORDS:
Ionising
Interfaces
Refracton
Total Internal Reflection
ASSESSMENT:
P3 REVISION – CHAPTER 1 – Medical Application of Physics Continued
How can you increase the amount
light bends by?
What is the equation for
magnification?
What is the focal length?
Label the eye below with the functions of each thing you label
What is the difference between a real and
virtual image?
What is Total Internal Reflection?
In the diagram below draw a) angle of incidence
less that critical angle b) equal to critical angle
c) greater than critical angle
KEY WORDS:
ASSESSMENT:
P3 REVISION – CHAPTER 2 – Moments
What is a moment?
What is hydraulic pressure?
When are objects balanced in terms of moments?
What is a leaver?
What happens to pressure on a liquid?
What is the equation for moments?
What is the equation for pressure?
What is centre of mass?
What is centripetal force?
What enables hydraulic systems to be force multipliers?
Give three examples of centripetal force
On a regular shape where is centre of
mass?
How can centre of mass be found on an
irregular object?
How can centripetal force be increased?
Why does velocity change?
ASSESSMENT:
When is an object stable?
For a simple pendulum:
P3 REVISION – CHAPTER 3 – Keeping things Moving
What is the motor effect?
What is the left hand rule?
How can you increase a motor’s
speed?
How can direction of Potential Difference be
reversed?
When will a conductor not experience a
force?
How can motors be made to turn faster?
Why is an alternating current used instead of a direct current?
What are transformers?
What is a step up transformer?
What is the equation for working out potential difference
across a transformer?
If transformers are assuemd to be 100% efficient which
equation is used?
What are switch mode transformers?
What happens if a magnet is moved into a coil of wire?
Advantages;
Disadvantages:
ASSESSMENT:
What happens if an electrical conductor cuts through a magnetic field?