PHYS 131

UBC

Course Overview

Lessons & Practice

I. Welcome

1. Fluid Mechanics

52min

1.1.1. Phases of Matter

1.2.1. Density of a Fluid6 min

1.2.2. Mass and Density60 sec

1.2.3. Pressure8 min

1.2.4. Example: Gauge Pressure

1.2.5. Practice: Vacuum Lifter

1.3.1. Pascal's Principle4 min

1.3.2. Example: Pressure in U-Tube

1.3.3. Practice: U-Tube Filled with Multiple Fluids

1.4.1. Hydraulic Systems 4 min

1.4.2. Example: Hydraulic Lift

1.4.3. Practice: Hydraulic System

1.5.1. Buoyancy9 min

1.5.2. Example: Buoyant Force

1.5.3. Example: Buoyant Force (Tricky!)

1.5.4. Practice: Buoyant Force

1.6.1. Bernoulli's Principle8 min

1.6.2. Flow Rates and Continuity

1.6.3. Example: Venturi System

1.6.4. Practice: Pressure Leaking Tank (Tricky!)

1.7.1. Viscosity5 min

1.7.2. Practice: Viscosity

1.8.1. Surface Tension and Capillarity6 min

2. Oscillations

4hr

2.1.1. Concepts of Oscillation (Advanced Version)14 min

2.1.2. Practice: Angular motion2 min

2.1.3. Example: SHM position function

2.2.1. Velocity and Acceleration in SHM (Advanced)7 min

2.2.2. Finding Acceleration by Knowing Displacement (Advanced)6 min

2.2.3. Practice: Oscillations - Acceleration Graph

2.2.4. Practice: Oscillations - Displacement Function7 min

2.2.5. Example: SHM with mass on a spring

2.3.1. SHM as the Projection of a Uniform Circular Motion11 min

2.3.2. Example: SHM from Circular Motion - Equation of Position (x)

2.3.3. Practice: SHM from Circular Motion - Equation of Position (y)

2.4.1. Finding the Phase Constant27 min

2.4.2. Example: Drawing the Position Graph16 min

2.4.3. Practice: Displacement Function10 min

2.5.1. Energy of an Oscillator11 min

2.5.2. Example: Spring & Mass System 10 min

2.5.3. Practice: Energy of Oscillation 4 min

2.6.1. Vertical springs13 min

2.6.2. Example: Vertical Springs7 min

2.6.3. Practice: Vertical Springs6 min

2.6.4. Practice: Oscillations (Tricky!)8 min

2.7.1. Simple Pendulums 7 min

2.7.2. Example: Simple Pendulum3 min

2.7.3. Practice: Simple Pendulum7 min

2.8.1. Damped Oscillation Theory20 min

2.8.2. Energy in a Damped Oscillation6 min

2.8.3. Example: Damped Oscillation 6 min

2.8.4. Practice: Damping (Tricky!)17 min

2.9.1. Critical Damping and Over-Damping Conditions8 min

2.9.2. Example: critically damping motion2 min

2.9.3. Practice: Damping Motion2 min

2.10.1. Forced or Driven Oscillation6 min

2.10.2. Example: Forced Oscillation2 min

2.10.3. Practice: Forced Oscillation (Tricky!)

3. Mechanical Waves

43min

3.1.1. General Definition of a Traveling Wave

3.1.2. Sinusoidal Waves

3.1.3. Example: Waves

3.1.4. Practice: Waves

3.2.1. Snapshots and History Plots

3.2.2. Example: Wave Graph

3.2.3. Practice: History Plot

3.3.1. Particle Velocity and Acceleration

3.3.2. Example: Displacement, Velocity, Acceleration

3.3.3. Practice: Displacement, Velocity, Acceleration

3.4.1. Speed of Waves in Strings

3.4.2. Example: Wave and Tension

3.4.3. Practice: String Mass Density

3.5.1. Transmitted Power and Intensity9 min

3.5.2. Example: Intensity of Sunlight

3.5.3. Practice: Power of a Traveling Wave

3.6.1. Interference and Superposition

3.6.2. Example: Superposition

3.6.3. Practice: Superposition

3.7.1. Standing Waves

3.7.2. Standing Wave Equation

3.7.3. Example: Wavelength of a Standing Wave

3.7.4. Practice: Standing Waves

3.8.1. Standing Waves in Strings with Both Ends Fixed

3.8.2. Example: Standing Wave

3.8.3. Practice: Standing Wave

3.9.1. Standing Waves in Air Pipes

3.9.2. Two Ends Closed

3.9.3. Two Ends Open

3.9.4. One End Open & One End Closed

3.9.5. Example: Standing Waves in Air Pipes

3.9.6. Practice: Standing Waves in Air Pipes

4. Sound Waves

4.1.1. Sound Waves

4.1.2. Speed of Sound in Air

4.1.3. Intensity Shortcut Formula

4.1.5. Practice

4.2.1. Sound Waves Patterns

4.3.1. Constructive and Destructive Interference

4.3.2. Interference Shortcuts

4.3.3. Sound Wave Interference

4.3.5. Practice

4.4.1. Beat Frequency

4.4.3. Practice

4.5.1. Doppler Effect

4.5.2. Example: Doppler Frequency

4.5.3. Practice: Doppler Frequency

5. Optics

11min

5.1.1. Light Waves

5.1.2. Practice: Electromagnetic Radiation

5.1.3. Practice: Properties of Light Waves

5.2.1. Reflection1 min

5.2.2. Refraction4 min

5.2.3. Example2 min

5.2.4. Practice3 min

5.2.5. Practice: Twins in a mirror1 min

5.3.1. Double-Slit Interference

5.3.2. Example: Double-slit configuration Fringes

5.3.3. Practice: Double-slit configuration Fringes

5.3.4. Double-Slit Interference (MODIFIED) (Copy)

5.4.1. Diffraction as the Spreading of Light

5.4.2. Single Slit Diffraction

5.4.3. Example: Single vs. Double Slit

5.4.4. Practice: Single Slit

5.5.1. Realistic Double Slits

5.5.2. Practice: Double Slits

5.6.1. Diffraction Grating

5.6.2. Example: Diffraction Grating

5.6.3. Practice: Diffraction Grating

5.7.1. Thin film Interference

5.7.2. Example: Thin Films

5.7.3. Practice: Thin Films

5.8.1. Circular Apertures and Resolution

5.8.2. Practice

Mock Exams

ME.1. Midterm 2 - Mock Assessment20 Qns

ME.2. Midterm Exam - Mock Assessment22 Qns

ME.3. Final Exam - Mock Assessment25 Qns

PHYS 131 Flashcards

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Density

Defined as mass per unit volume of a fluid, represented as rho = m/V.

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