12AP exam Prep

112AP Physics Exam Prep.

Know this material for the Short Answer and MC portions of the Exam

Kepler’s Laws, Milliken experiment, “weightlessness” in orbit, c as maximum possible speed, deriving optimal banking angle, deriving a for a sliding object, average speed versus average velocity,

The photoelectric effect and what happens if the intensity or wavelength of light change.

De Broglie waves. The Compton effect. Newton’s Laws. Inertial and Non-inertial frames of reference. Relativistic effects. D-t , V-t, a-t graphs. Electrostatic fields. Motion of particles in uniform and non-uniform fields. Electric Potential.. Elastic collisions. Conservation of momentum. Vectors (River) Crossing problems Circular motion: direction of vel and accel. Static and kinetic friction, Circular motion and the forces that cause it, conservation of energy, spring energy, static and kinetic friction, Escape velocity, satellites, Ug in general, thin films, interference patterns created by single and double slits and diffraction gratings.

Please review previously assigned Conceptual Questions!!

NOT on Exam, Torque, Rotational motion and energy, SHM Velocities after elastic collisions,

There will be 40 multiple choice questions. 20 marks on conceptual type questions.

The rest of the exam (40 marks) will be problems. The following covers 90% of problems. Review Tests, labs Conceptual questions and Quizzes for 95% coverage

Recommended review problems

Kinematics in 1D Pg 49 25 37 Kin in 2D Pg 75 13 15 56

Newton's Laws Pg 117 18 26 40 67 87 93 96 101

Uniform Circular Motion Pg 143 14 19 21 25 29 30

Work and Energy Pg 175 15 21 41 53

Momentum and Collisions Pg 200 1 17 31b 47

Spring Constant and Energy Pg 293 5 7

Electric Forces and Fields Pg 543 13 27 29 31 37

Electric Potential and Energy Pg 572 5 11 13 19 21 27 29 Magnetic Forces and Fields Pg 620 3 5 27 Wave Nature of Light 850 1 11 13 15 23

Special Relativity Pg. 877 1 5 11 13 23 25 29

Wave Particle Duality Pg 900 5 7 13 21 37 40

Sample multiple choice questions

1. Which of the following graphs best represents 2. Increasing an objects energy from

displacement versus time for a moving object that 100J to 200J involves increasing

has constant negative acceleration? its speed by a factor of

A) B) C) D) A) 2 B) 2 C) .5 D) .5

4. Light is not:

3. Energy can be expressed in: A) a stream of particles

A) N s B) eV C) N/m D) W/s B) part of the electromagnetic spectrum

C) easy to observe

5. A horizontal force of 10. N applied to a D) a form of energy

2.0 Kg box on the floor gives the box

an acceleration of 3.0 m/s. The force of friction

on the box must be:

A) 0.0 N B) 4.0 N C) 6.0 N D) 8.0 N E) 10.N

6. A 2.0 kg object moving at 3.0 m/s to the right collides with a 1.0 kg object moving at

1.0 m/s to the left. At minimum separation the speed of the 2.0 kg object will be:

A) 0.30 m/s B) 1.30 m/s C) 1.7 m/s D) 1.6 m/s