QCE PHY EA Prep Flashcards

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1
Q

Vector

A

A Quantity That has Both Magnitude and Direction

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2
Q

Normal Force

A

A Force Perpendicular to the Plane

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3
Q

Period

A

The Time Taken to Complete 1 Revolution in Seconds

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4
Q

Gravitational Field

A

The Area Around an Object Where Other Objects are Attracked to it

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5
Q

Kepler’s First Law of Planetary Motion

A

The Orbit of Each Planet Around the Sun is an Ellipse

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6
Q

Kepler’s Second Law of Planetary Motion

A

A Planet Covers the Same Area of Space in the Same Amount of Time no Matter Where it is in its Orbit

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7
Q

Kepler’s Third Law of Planetary Motion

A

A Planet’s Orbital Period is Proportional to the Size of its Orbit

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8
Q

Electrical Field Strength

A

The Force That an Electric Field Would Exert on a 1C Point Charge at a Particular Location

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9
Q

Magnetic Field

A

The Region Around a Magnet Where a Magnetic Force is Exerted

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10
Q

Einstein’s First Postulate of Special Relativity

A

All Laws of Physics are the Same for all Inertial Reference Frames

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10
Q

Lenz’s Law

A

The Induced Current Must be in the Direction That Opposes the Charge That Caused it

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11
Q

Einstein’s Second Postulate of Special Relativity

A

The Speed of Light, c, is a Constant in all Inertial Reference Frames

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12
Q

Inertial

A

Not Accelerating/Stationary

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13
Q

Non-Inertial

A

Accelerating

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14
Q

Rutherford’s Atomic Model

A

Likened the Structure of an Atom to the Solar System with Electrons as Planets Orbiting Around the Sun

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15
Q

Bohr’s Atomic Model

A

Electrons Only Exist in Discrete Energy Levels

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16
Q

Evidence to Support the Wave Model of Light

A

(1) Diffraction
(2) Polarisation

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17
Q

Evidence to Support the Particle Model of Light

A

(1) Photoelectric effect
(2) Compton effect

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18
Q

Evidence to Support Both the Wave and Particle Models of Light

A

Double-Slit Experiment

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