Catalyst University
Resonance Fluorescence: A Special Case of Fluorescence
Resonance Fluorescence: A Special Case of Fluorescence
KnowMo
Calculating Averages from a Frequency Table
This video explains how to calculate different types of averages from a frequency table, such as mean, median, mode, and range. The instructor demonstrates step-by-step how to create the fx column to find the total amount of data, and...
Curated Video
Period and Frequency of Waves
The video explains two important features of a wave: the frequency and the time period. It uses a visual representation of a transverse wave and a longitudinal wave to show the peaks, troughs, amplitude, and wavelength of a wave. The...
Curated Video
How to Determine the Speed of a Wave on a String: Physics Experiment
This video explains how to conduct an experiment to determine the speed of a wave on a string. It shows the steps involved, such as setting up the string or wire, creating a wave on it, and adjusting the distance between the two ends to...
KnowMo
Calculating Averages from Grouped Frequency Table
This video explains how to calculate averages (mean, median, mode, and range) from a grouped frequency table. The presenter demonstrates how to estimate the mean using midpoints and frequencies, how to calculate the median using the...
Curated Video
GCSE Secondary Maths Age 13-17 - Probability & Statistics: Frequency Polygon - Explained
SchoolOnline's Secondary Maths videos are brilliant, bite-size tutorial videos delivered by examiners. Ideal for ages 13-17, they cover every key topic and sub topic covered in GCSE Maths in clear and easy to follow steps. This video...
FuseSchool
Wave Motion
Wave Motion | Waves | Physics | FuseSchool All waves can transfer energy from one place to another without transferring any matter. This is done by a series of disturbances or vibrations that carry the energy. Just like the people in...
KnowMo
Introduction to Box Plots: Understanding and Constructing Them
This video explains what box plots are and how to interpret and construct them. It provides specific information on the different components of a box plot, including the minimum and maximum values, quartiles, range, and median. The video...
Flipping Physics
Determining the Speed of a Standing Wave - Demonstration
The relationship between wavelength and frequency is determined. The number of waves, wavelength, and wave speed at each standing wave frequency is determined. The wave speed is measured independent from the standing waves.
Curated Video
GCSE Secondary Maths Age 13-17 - Probability & Statistics: Frequency Table - Explained
SchoolOnline's Secondary Maths videos are brilliant, bite-size tutorial videos delivered by examiners. Ideal for ages 13-17, they cover every key topic and sub topic covered in GCSE Maths in clear and easy to follow steps. This video...
Curated Video
Pitch and Loudness: Investigating Sound Waves on an Oscilloscope
This video explains how sound waves can be displayed on an oscilloscope and how the amplitude and frequency of the waveform relate to the loudness and pitch of the sound. The video uses examples of different sound waves and the...
Flipping Physics
AP Physics 1: Rotational Kinematics Review
Review of the Rotational Kinematics topics covered in the AP Physics 1 curriculum.
Curated Video
Introduction to Electromagnetic Waves and the Electromagnetic Spectrum
The video explains the basics of electromagnetic waves, including their definition as transverse waves that transfer energy from a source to an absorber. It discusses the seven general sections of the electromagnetic spectrum, going from...
Physics Girl
Singing this Note is IMPOSSIBLE!
Try to sing the impossible note! Singers try to sing into a pipe, and find certain notes are impossible to sing, even for professionals. WHY?! More facts: Most objects have a number of different resonant frequencies. The first resonance...
Curated Video
Measuring and Comparing the Speed of Sound in Air and Other Materials
This video provides an introduction to the speed of sound in air and demonstrates several methods to measure or calculate it. It also presents equations to calculate the speed of sound based on the wavelength and frequency of a sound...
JJ Medicine
Appendicitis Signs & Symptoms | & Why They Occur
Appendicitis Signs & Symptoms | & Why They Occur Appendicitis is a condition involving inflammation of the appendix. Appendicitis occurs due to blockage of the appendiceal lumen, which leads to bacterial overgrowth or proliferation...
Flipping Physics
What is Sound?
From a tuning fork, to a speaker in slow motion, this is a close look at what sound is. Both linear and spherical wave fronts are animated. The human audible range is demonstrated.
KnowMo
Introduction to Two-Way Frequency Tables: Definition and Examples
This video is a tutorial on two-way frequency tables. The instructor explains what two-way frequency tables are and how they can provide us with two pieces of information about a data set by using two axes of the table. They use examples...
Let's Tute
Introduction to Cumulative Frequency and Less Than Type Ogive Graphs
This video teaches cumulative frequency and how it is represented in a graph, specifically the less than type ogive. It uses an example of daily income of workers to demonstrate how to calculate cumulative frequency, plot it on a graph,...
Professor Dave Explains
The Quantum Harmonic Oscillator Part 1: The Classical Harmonic Oscillator
For our third quantum problem we will visit harmonic oscillators. In a classical setting, this is like the ball on a spring we examined when learning about Hooke's law in the classical physics series. But this has quantum application as...
Curated Video
GCSE Secondary Maths Age 13-17 - Probability & Statistics: Histogram - Explained
SchoolOnline's Secondary Maths videos are brilliant, bite-size tutorial videos delivered by examiners. Ideal for ages 13-17, they cover every key topic and sub topic covered in GCSE Maths in clear and easy to follow steps. This video...
Flipping Physics
Stringed Instrument Frequencies
The equation for the harmonic frequencies of stringed instruments is derived. Harmonic numbers and fundamental frequency are defined. A guitar is used to demonstrate harmonic numbers.
Visual Learning Systems
What Is Sound?: Frequency and Pitch
The video explains the concept of frequency and pitch in sounds. The video gives examples of different sounds with varying frequencies and explains how they are perceived as high or low pitch.
Curated Video
Subtracting Fractions and Interpreting Data on a Line Plot
In this video, students learn how to subtract fractions to solve word problems using data presented in a line plot. The video explains the process of subtracting fractions with common denominators and uncommon denominators, and...