Section: Module 7: Lesson 3: Nature of Light | Physics

Section: Module 7: Lesson 3: Nature of Light | Physics | NextGenU.org

Learning Objectives:
Upon completion of this lesson, you will be able to:

Explain how photon energies vary across divisions of the electromagnetic spectrum.

Describe how the photoelectric effect could not be explained by classical physics.

Describe the use of the photoelectric effect in biological applications, photoelectric devices, and movie soundtracks.

Explain the particle-wave duality of light.

Approximate time required for the readings for this lesson (at 144 words/minute): 2 hours and 34 minutes.

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  Required Learning Resources and Activities
- Select activity Planck and Quantum Nature of Light
  
  Planck and Quantum Nature of Light URL
  
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  OpenStax - 2023
- Select activity Einstein and the Photoelectric Effect
  
  Einstein and the Photoelectric Effect URL
  
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  Read the entire webpage and, if you are able to, interact with the virtual demonstration. (39 minutes)
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- Select activity The Dual Nature of Light
  
  The Dual Nature of Light URL
  
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  Read the entire page. (15 minutes)
  OpenStax - 2023
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  Quiz: Module 7
  
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Introduction

Course Registration

Peer Corner

Pre-Test

Module 1: Lesson 1: Introduction

The Scientific Methods

The Language of Physics: Physical Quantities and Units

Module 1: Lesson 2: Vectors and Their Components

Vectors

Vectors

Module 1: Lesson 3: Speed, Velocity, and Acceleration

Relative Motion, Distance, and Displacement

Speed and Velocity

Position vs. Time Graphs

Velocity vs. Time Graphs

Acceleration

Representing Acceleration with Equations and Graphs

Free-Falling Objects

Projectile Motion

Practical Activity 1 (70 minutes)

Module 2: Lesson 1: Newton's Laws of Motion

Force

Newton's First Law of Motion: Inertia

Newton's Second Law of Motion

Newton's Third Law of Motion

Newton's Law of Universal Gravitation and Einstein's Theory of General Relativity

Inclined Planes

Module 2: Lesson 2: Hooke's Law and Simple Harmonic Motion

Simple Harmonic Motion

Practical Activity 2 (70 minutes)

Module 2: Lesson 3: Uniform Circular Motion and Centripetal Force

Angle of Rotation and Angular Velocity

Uniform Circular Motion

Rotational Motion

Module 3: Lesson 1: Momentum, Force, and Impulse

Linear Momentum, Force, and Impulse

Conservation of Momentum

Elastic and Inelastic Collisions

Module 3: Lesson 2: Work, Energy, and Simple Machines

Work, Power, and the Work-Energy Theorem

Mechanical Energy and Conservation of Energy

Simple Machines

Module 3: Lesson 3: Special Relativity

Postulates of Special Relativity

Consequences of Special Relativity

Module 3: Lesson 4: Thermal Energy, Heat, and Work

Temperature and Thermal Energy

Heat, Specific Heat, and Heat Transfer

Phase Change and Latent Heat

Practical Activity 3 (70 minutes)

Module 3: Lesson 5: Thermodynamics

Zeroth Law of Thermodynamics: Thermal Equilibrium

First law of Thermodynamics: Thermal Energy and Work

Second Law of Thermodynamics: Entropy

Applications of Thermodynamics: Heat Engines, Heat Pumps, and Refrigerators

Module 4: Lesson 1: Types of Waves

Types of Waves

Module 4: Lesson 2: Wave Properties and Interactions

Wave Properties: Speed, Amplitude, Frequency, and Period

Wave Interaction: Superposition and Interference

Module 4: Lesson 3: Sound

Speed of Sound, Frequency, and Wavelength

Sound Intensity and Sound Level

Module 4: Lesson 4: Doppler Effect, Sound Interference, and Resonance

Doppler Effect and Sonic Booms

Sound Interference and Resonance

Practical Activity 4 (90 minutes)

Module 5: Lesson 1: Fluids, Density, and Surface Tension

Fluids, Density, and Pressure (Part 1)

Cohesion and Adhesion

Module 5: Lesson 2: Hydrostatic Pressure and Pascal's Law

Density and Pressure

Practical Activity 5 (60 minutes)

Module 5: Lesson 3: Archimedes' Principle and Fluid Dynamics

Archimedes’ Principle

Fluids in Motion

Module 5: Lesson 4: Bernoulii's Equation and Venturi Effect

Bernoulli’s Equation

Worked Examples- Bernoulli’s Equation

Module 5: Lesson 5: Viscosity and Turbulence and Poiseuille's Law