Download 2014 Honors Physics B Final Review[1]

Honors 3rd Trimester Review for Final
Make an individual study guide (8 ½ x 11 paper –hand written) of all your formulas. This is
10% of your grade on the final.
Make sure you bring to the final exam: Calculator, pencil
Final is multiple choice + page of Ray diagrams (lenses and mirrors)
Exam #1- Sound
Problems: Chapter 14: Q7,2,3,7, 12,14,16,17,20, 22,23,31,33,37, 43,44a,45,47,
Listened to ultrasonic frequencies, brought in musical instruments, carpet tubes resonance
 Know what type of wave sound is and the parts.
 Be able to draw a sound wave. Label compressions and rarefactions
 Know what wave speed depends on and what medium it travels the fastest through.
 Be able to calculate using the wave formulas for wavelength, frequency, period, wave speed, distance or
time (don’t forget about echos!).
 Know how humans hear frequency, and amplitude.
 Know the parts of the ear. (ear drum, cochlea, inner/middle/outer)
 Know the categories of sound waves.
o Know the frequencies for each category (infrasonic, audible, ultrasonic)
 Be able to find the speed of sound through a gas.
 Be able to define and find intensity. Know what it depends on.
o Find power/ distance
 Find decibels (sound level) given intensity
 What are the sound behaviors at boundaries?
 What happens at a fixed end? Free end?
 Be able to find when destructive interference would occur, and when constructive interference would
occur. What do they sound like?
o Walk perpendicular to a speaker
o Walk between two speakers
 When do beats occur? Be able to find possible frequencies given one frequency at the beat frequency
 Know what the Doppler effect is and when it would happen. What waves exhibit the Doppler effect?
 What wave characteristics do and do not change with the Doppler effect?
 What are the applications of the Doppler effect?
 Calculate using the Doppler formula
 What is a sonic boom? When does it happen?
 Musical instruments
o What determines loudness?
o What determines pitch?
o What determines the quality or tone?
o Know how harmonics are related.
o Be able to draw a standing wave for an open or closed pipe.
o What is the difference between a node and an antinode?
o Be able to determine the harmonic frequencies for open pipes, closed pipes, and strings.
Chapter 15 Electrostatics
Problems assigned: Worksheet +2,11,12,13,15,16,18,20,22,25,27,28,29,30,36 +take home assignment
Demonstrations: Hair standing up, balloon, ruler, can, spheres with pith sphere
 Know the parts of the atom
 How do objects become charged?
 Know how to find the force on a charge due to a distribution of charges
o Be able to add force vectors
o Find the charge on each object, use centripetal force for a charge going in a circle
o Find where the force due to a charge distribution cancels to zero
 Be able to draw a freebody diagram for a charged hanging sphere and write Newton 2nd Law equations
o At an angle due to another charge sphere
o At an angle due to an electric field.
 Know the types of charging and be able to explain demonstrations
o Hair- Van de Graaff
o Balloon/ wall/paper
o Lightning
o Plasma Globe
o Ruler/Can
 Know what grounding is and how to do it
 Know how to find the mass when charge is added or taken away
 Be able to determine the number of excess electrons/protons given a charge
 Know the difference between conductors and insulators
 Know what an electric field shows
 Be able to draw an electric field for a distribution of charges
 Be able to find the
o Force on a charge due to an electric field
o Electric field due to a distribution of charges
o The acceleration of a charge in an electric field
o Find where the force or electric field is zero
o Kinetic energy before or after being accelerated
 What is true about a conductor in electrostatic equilibrium
Capacitance
Chapter 16: 1,5,8,12,13,15,22,25,29,31,33,34,35,43,
Lab: Equipotentials
Know:
 How to find the force by an electric field on an electric charge.
 How to find the work done by the electric force on an electric charge.
 How work is related to change in potential/kinetic energy.
 Know if a charge moving in a given electric field is gaining or losing potential energy.
 How to find electric potential energy for a system of charges
o Kinetic energy at infinity if charges are released
 How to find electric potential difference using potential energy
o Know how electric potential difference is related to a uniform electric field.
 How to find the electric potential due to a charge
 How to find the electric potential due to a group of charges at a point
 Find the speed of a particle after being accelerated by an electric potential difference
 What an equipotential line is and how it is related to the electric field.
 How to draw equipotential surfaces for a distribution of charges
 How to find the capacitance of a capacitor
 What does the capacitance of a capacitor really depend on?
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How to find the electric field inside a capacitor
How to find the energy stored by a capacitor
What happens if the plate distance is increased.
How to find the equivalent capacitance/charge/voltage/energy stored for
o Series capacitors
o Parallel capacitors
o Combinations of capacitors in series and parallel
Chapter 17- Resistance and current
Problems Assigned. Chapter 17: Q5,Q9,Q11,3,11,14, 15, 22, 31, 32, 36, 45, 54
Absorb High School Physics: What does resistance depend on?
Know:
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What do batteries provide in a circuit? Be able to find voltage given energy and charge.
Why a bird can sit on a high voltage wire?
What do voltmeters and ammeters measure?
o how to measure it (draw it in a circuit) and how you use them( in the lab).
How to draw a circuit with lightbulbs, resistors and/or capacitors. Be able to draw conventional current
direction
How to find the current of a wire
o Find the coulombs of charge moving past a point if you know the current
o Find the number of electrons moving past a point if you know the current
How to determine the drift velocity of electrons for a given situation
o How to determine the time it would take for electrons to travel a certain distance
Are wires are charged?
what four things resistance of a wire depends on
o Why does resistance depend on the four characteristics
The difference between resistance and resistivity
Find resistance, resistivity, diameter of wire, or length
How to find the resistivity or the resistance if you know the change in temperature of a wire.
o Be able to find the new current with the change in temperature
What power is and how to use the formula
How to determine the cost of using an appliance, given it’s wattage and time of use
How to find the electrical energy consumed by an appliance
Ch 18: Problems Assigned : Q4,Q19,1,4,7,10,13,14,15,16,17,23a,25,27,31,32,46,G6
Lab: Resistors in Combinations
 Know how to find the internal resistance of a battery.
 Know the difference between emf and voltage
 Know how to add resistors in series and parallel
o What changes about the geometry of resistors in series and parallel?
o Find the current through a specific resistor in a combination
o Find the potential difference across a specific resistor in a combination
o Find the equivalent resistance of a group of resistors.
 Kirchhoff’s Rules
o Be able to write junction rules
o Be able to write loop equations
o Write a matrix to solve (need to show matrix on exam… graphing calculator not required)
o Find the current through each branch (can use system of equations)
o Find the voltage across a specific resistor
o Find the power dissipated by a specific resistor
 RC Circuits
o Identify a RC circuit
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Solve the charge equation for charge at any given time
Be able to find the maximum charge
Use the time constant to solve
Be able to draw a graph for a charging or discharging capacitor of charge versus time.
Chapter 19 - Magnetism
Problems assigned: Q4,Q6,Q7,Q8,Q10,Q12,1,2,3,4,6,8,12,22,27,34,35,39,40,44,47,53a
Labs: Magnetism
 What is the magnetic field due to?
 What are the three types of magnetic materials?
 What four materials can be magnetized and retain it?
 Know how to draw the magnetic field for a bar magnet.
o What happens if you cut a magnet? Drop a magnet?
 Know how to find the magnetic force on
o A point charge
 Acceleration due to that force
 What must be true for the point charge to feel a force? When is the force a maximum?
o On a wire
 Know the differences between an electric force and a magnetic force
 Be able to find the radius of the circle that a particle travels in when in a magnetic field
 Be able to use the right hand rule to find velocity (current), magnetic field or force on the charges.
 What does the Earth’s magnetic field do for us? What is unusual about the Earth’s magnetic field?
 Be able to find the torque on a current carrying loop.
 Be able to find the magnetic field (and direction) due to a wire(s)
o This means being able to add vectors!
 Be able to find the magnetic field due to a solenoid
 Find the magnetic force due to one wire on another wire.
Chapter 20: Faraday’s Law Notes
Problems assigned Ch 20 Q3,Q7,1,2,8,23,24,25,29
 Be able to find magnetic flux
 Know how a generator works
 Know what induces an emf
 Be able to apply Lenz’s law to various situations, (show induced magnetic field and induced current)
Ch 22: Light Notes
Problems assigned Ch 21: Q4, Q9, Q11, Ch 22 Q1,Q2,Q3,1,6.10,12,21,22,30,34,43
 Know what an electromagnetic wave is.
 Know the terms wavelength, frequency and wave speed.
 Know the order of the electromagnetic waves
o Know order in terms of wavelength/frequency
o What is the speed of all electromagnetic waves in a vacuum?
 Know what the brightness of light depends on.
 Know what the color of light depends on.
 How do we draw light? What evidence do we have that light travels in straight lines?
 Know the law of reflection and be able to apply it
 Be able to tell the difference between specular and diffuse reflections
 What determines the color of objects?
 How do one-way mirrors work? Why do you get red eye in photographs?
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Why is the sky blue? Why are sunsets red? Why do you see mirages?
Apply Snell’s Law. What changes about the electromagnetic wave when it enters a new medium?
Be able to apply the definition of the index of refraction.
How does the human eye work?
Why does dispersion happen?- be able to solve problems
How are rainbows formed?
Know when total internal reflection would take place.
o Find critical angle.
Chapter 23: Mirrors and Lenses
Ch 23 Q1,Q10,Q12,Q16,3,5,6,7,11,14,18,19,29,30,47,
 Know the three types of mirrors
o How do these mirrors produce images?
o What images do they produce?
o Know the two types of images and their properties (upright, inverted, larger, smaller)
o Be able to draw a ray diagram for any mirror. ( 3 principal rays)
o Be able to use the mirror equations.
 Know the two types of lenses
o What images do they produce?
o Be able to draw a ray diagram for any lens.
o Be able to use the lens equations.
 Be able to find an image by a combination of mirrors and/or lenses.
 Know the difference between spherical and chromatic aberration.
Chapter 24: Interference Q1,Q8,4,6,15,30,31,36b,40
 What combines when two light waves interfere?
 Know what happens when light is incident
o On double slits
o On a single slit
o On a diffraction grating
 Be able to use the interference equations for a double slit
o Find the angle of dark and bright fringes
o Find the wavelength of a laser source
o Find the distance between the slits
 Be able to use the single slit equation
o Find the width of the slit
o The angle between the fringe and the center
o Find the wavelength of laser source
o Width of central maximum
 Be able to use the diffraction grating equation
o Find the spacing between slits
o Find the wavelength
o Find the angle between a fringe and center