QCE PHY EA Prep Flashcards
(75 cards)
Vector
A Quantity That has Both Magnitude and Direction
Normal Force
A Force Perpendicular to the Plane
Period
The Time Taken to Complete 1 Revolution in Seconds
Gravitational Field
The Area Around an Object Where Other Objects are Attracked to it
Kepler’s First Law of Planetary Motion
The Orbit of Each Planet Around the Sun is an Ellipse
Kepler’s Second Law of Planetary Motion
A Planet Covers the Same Area of Space in the Same Amount of Time no Matter Where it is in its Orbit
Kepler’s Third Law of Planetary Motion
A Planet’s Orbital Period is Proportional to the Size of its Orbit
Electrical Field Strength
The Force That an Electric Field Would Exert on a 1C Point Charge at a Particular Location
Magnetic Field
The Region Around a Magnet Where a Magnetic Force is Exerted
Einstein’s First Postulate of Special Relativity
All Laws of Physics are the Same for all Inertial Reference Frames
Lenz’s Law
The Induced Current Must be in the Direction That Opposes the Charge That Caused it
Einstein’s Second Postulate of Special Relativity
The Speed of Light, c, is a Constant in all Inertial Reference Frames
Inertial
Not Accelerating/Stationary
Non-Inertial
Accelerating
Rutherford’s Atomic Model
Likened the Structure of an Atom to the Solar System with Electrons as Planets Orbiting Around the Sun
Bohr’s Atomic Model
Electrons Only Exist in Discrete Energy Levels
Evidence to Support the Wave Model of Light
(1) Diffraction
(2) Polarisation
Evidence to Support the Particle Model of Light
(1) Photoelectric effect
(2) Compton effect
Evidence to Support Both the Wave and Particle Models of Light
Double-Slit Experiment
