Questions on the PRAXIS II Physics: Content Knowledge Exam

Educators who wish to teach physics at the high school level are often required to pass the PRAXIS II Physics: Content-Knowledge Exam. The test, which is one hour long, is comprised of 50 multiple choice questions. The use of a calculator during the exam is prohibited.

Thirteen of the questions deal with special topics in modern physics, primarily regarding optics and waves. Questions on this section of the PRAXIS II Physics: Content Essays Exam may deal with any of the following:

● natural and non-natural radioactivity,
● binding energy,
● nuclear energy,
● relativity,
● black body radiation,
● photo electricity,
● the Michelson-Morley experiment,
● de Broglie's hypotheses,
● particle wave duality,
● geometric optics,
● the electromagnetic spectrum,
● longitudinal and transverse wave qualities,
● inference and the super position of waves,
● standing waves,
● the Doppler effect,
● Snell's law,
● refraction and reflection, and
● the frequency, speed, amplitude and length of waves.

Seventeen questions on the test concern magnetism and electricity. To prepare for these questions on the PRAXIS II Physics: Content-Knowledge Exam, teachers should review magnetism and motors, transformers, Lorentz force, Lenz and Faraday's electromagnetic induction laws, Ampère's Law, the Biot-Savart Law, magnetic flux, electrical fields and forces, potential electrical energy, Gauss's Law, Coulomb's Law, insulators, semiconductors and conductors, series and parallel circuits, generators and batteries, capacitance, resistance, current, potential difference, and resistance.

Twenty questions on the PRAXIS II Physics: Content-Knowledge Exam concern mechanics, specifically dynamics and vectors. Vector questions concern periodic motion, reference frames, relative velocity, circular motion, projectile motion, and straight-line motion. Dynamics questions deal with Newton's laws of gravity and motion, friction, elastic and inelastic collisions, rigid body motion, conservation laws of momentum and energy, momentum and impulse principles, potential energy and conservative forces, harmonic motion, springs and oscillations, mass versus weight, and statistics.

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