William Peterson
William Peterson
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Video Lecture: EM Waves
Foundational Physics II pre-class material for EM Waves
Переглядів: 356

Відео

Analyzing Video with PASCO Capstone
Переглядів 5922 роки тому
Quick intro to analysing motion in videos using PASCO's Capstone software
Use Spreadsheets
Переглядів 2492 роки тому
just use them
Experiment - Friction on a Ramp
Переглядів 7942 роки тому
Calculating the coefficient of kinetic friction from the acceleration of a cart down a ramp as it pulls a friction slider
Experiment - Axon Simulation
Переглядів 2932 роки тому
Simulating a human nerve fiber using agar mixed with salt
Relative Motion
Переглядів 2322 роки тому
Measuring motion of objects from reference frames in relative motion
Motion in One Dimension: Smart Cart
Переглядів 5242 роки тому
This video demonstrates using a wireless cart with built-in sensors to study motion with constant acceleration.
Experiment - Fluid Dynamics
Переглядів 22 тис.3 роки тому
Studying fluid dynamics using a bottle of water with holes drilled in it.
Experiment - Centripetal Acceleration
Переглядів 1,8 тис.3 роки тому
Study the force applied to a mass in circular motion
Experiment - The Electric Field of a Dipole
Переглядів 7343 роки тому
Measure the electric field directly by measuring voltages in conductive paper.
Experiment: Simple Photoelectric Effect
Переглядів 3213 роки тому
Demonstrate the quantum mechanical photoelectric effect with a very simple (and cheap) apparatus!
Quick Physics: Measurement Uncertainty
Переглядів 1013 роки тому
What is a true measurement? How can we find the uncertainty in a measurement in a quantifiable way?
Experiment: AC Signals and Filters
Переглядів 1274 роки тому
Studying the frequency domain behavior of RC circuits
Experiment: Faradays Law
Переглядів 1074 роки тому
Studying induced current in a wire loop as it is moved through the magnetic field of a solenoid
Experiment: Wave Speed and Tension
Переглядів 2 тис.4 роки тому
Measuring wave speed of standing waves on a string, and studying the relationship between wave speed and string tension.
Experiment: Current Balance
Переглядів 2134 роки тому
Experiment: Current Balance
Experiment: Simple Harmonic Oscillator
Переглядів 9684 роки тому
Experiment: Simple Harmonic Oscillator
Experiment: Electron Charge to Mass
Переглядів 1744 роки тому
Experiment: Electron Charge to Mass
Experiment: Lorentz Force
Переглядів 7024 роки тому
Experiment: Lorentz Force
Experiment: Ideal Gas
Переглядів 5174 роки тому
Experiment: Ideal Gas
Experiment: DC Circuits
Переглядів 5284 роки тому
Experiment: DC Circuits
Experiment: Heat of Fusion
Переглядів 3344 роки тому
Experiment: Heat of Fusion
Experiment: Resistivity
Переглядів 9 тис.4 роки тому
Experiment: Resistivity
Experiment: Rolling and Inertia
Переглядів 3524 роки тому
Experiment: Rolling and Inertia
Experiment: Equipotential Lines
Переглядів 8704 роки тому
Experiment: Equipotential Lines
Experiment: Conservation of Energy
Переглядів 5074 роки тому
Experiment: Conservation of Energy
Experiment: Coulomb Force
Переглядів 36 тис.4 роки тому
Experiment: Coulomb Force
Experiment: Projectile Motion
Переглядів 1,2 тис.4 роки тому
Experiment: Projectile Motion
Spreadsheets and Chi-Square
Переглядів 1334 роки тому
Spreadsheets and Chi-Square
Using the Solver in Spreadsheets
Переглядів 734 роки тому
Using the Solver in Spreadsheets

КОМЕНТАРІ

  • @motjones2341
    @motjones2341 12 днів тому

    a schematic diagram of the circuit would be helpful (laser part not needed in the schematic )

  • @motjones2341
    @motjones2341 12 днів тому

    I think you need more explanation here, you are measuring a voltage divider as far as I can tell?

  • @motjones2341
    @motjones2341 12 днів тому

    I thought you did a nice job of explaning things. Be careful with how you represent AM, you are showing an envelope, a vectorial combination in a linear system. The carrier wave does not vary in amplitude in reality, even though a scope "combines" the carrier and sidebands, suggest you make a distinction between the carrier and sidebands in your graphics (show a spectrum plot), no need to perpetuate the "misnomer" of AM. I liked when you described spheres within spheres for the EM wave, maybe some sort of attempt at a graphic of that would be nice.

  • @ppss.6302
    @ppss.6302 13 днів тому

    The problem with EM mnemonic visualizations, none of them reflect or explains reality of EM waves. It is just a memory prop for engineering calculations. You don't have to understand chit of how a black EM box works to come up with usable engineering calculations.

  • @alexanderpatrick7878
    @alexanderpatrick7878 13 днів тому

    Wonderfully presented!

  • @excelamaefule5997
    @excelamaefule5997 2 місяці тому

    You said resistivity but go ahead to only show for resistance

  • @sazob
    @sazob 5 місяців тому

    wait, what? the positive charges moved?

  • @pinkpanther6338
    @pinkpanther6338 10 місяців тому

    Fill the glass with water Place the card on top Turn the glass over, while holding onto the card and making sure the card always stays flat. Do this over the plastic tray When the glass is upside down let go of the card… 1) What is stopping the water from coming out ? 2) Why pressure inside the Glass decrease? If the reason is expansion of air then How

  • @DirkdeZwijger
    @DirkdeZwijger 10 місяців тому

    beautiful, easy experiment

  • @dominicestebanrice7460
    @dominicestebanrice7460 Рік тому

    Thanks for the helpful instructional. However, for all that fancy sensor & data logging equipment, that data set is a mess!

  • @tommoorehouse
    @tommoorehouse Рік тому

    Could someone please tell me what data acquisition system and sensor was used for this?

  • @bipintimilsina5134
    @bipintimilsina5134 Рік тому

    Wow

  • @leonguyen6540
    @leonguyen6540 Рік тому

    quá hay

  • @Yossef_M
    @Yossef_M Рік тому

    thank you William for your effort, this video was very helpful and easy to understand. best wishs.

  • @preguica_net
    @preguica_net Рік тому

    You need make the calculations, not only to tell "is possible calculate"

  • @Suprisesbk7551
    @Suprisesbk7551 Рік тому

    but the video is too short

  • @Suprisesbk7551
    @Suprisesbk7551 Рік тому

    perfect

  • @mahroosh1077
    @mahroosh1077 Рік тому

    Thanks! This video was super clear and helpful.

  • @tahanialkayal3687
    @tahanialkayal3687 Рік тому

    I have same Ideal gas apparatus but how to connect to my laptop or smart screen

  • @MaliciousMoxy
    @MaliciousMoxy 2 роки тому

    LORENZ FOOORCE GO!

  • @StephanBuchin
    @StephanBuchin 2 роки тому

    Centrifugal and centripetal forces are so confusing. Shouldn't this be called centrifugal as the object tries to move away from the center? Could we simply call this inertia? Looks like the object that tends to go in a straight line is simply forced into a circular motion by the wire. I'm so ignorant ☺

    • @williampeterson7749
      @williampeterson7749 2 роки тому

      Your last sentence is correct - the mass would move in a straight line due to its inertia, but the tension in the wire pulls its path into a circle. Force toward the center = centripetal. There is almost never a centrifugal force. We just think about the force pulling toward the center of the circle and think there must be something pulling outward to balance it -- but it is not balanced, that's why the mass continually moves in a curving, circular path.

    • @StephanBuchin
      @StephanBuchin 2 роки тому

      @@williampeterson7749 Thank you for your explanation. This is obvious now.

  • @motivationlearning6614
    @motivationlearning6614 2 роки тому

    Sir amazing video

  • @begin_broadcast_5207
    @begin_broadcast_5207 2 роки тому

    That’s so cool! What antenna did you tune the dipole for? Something else you could try is having a reflector wire laid on the ground under the dipole.

  • @priyanshufartiyal1035
    @priyanshufartiyal1035 2 роки тому

    Cool

  • @Hindustanijigarsher
    @Hindustanijigarsher 2 роки тому

    Thanku

  • @Hindustanijigarsher
    @Hindustanijigarsher 2 роки тому

    Than🙏🇮🇳🇮🇳ku

  • @Hindustanijigarsher
    @Hindustanijigarsher 2 роки тому

    From where do you belong sir ji give more experiments videos on related topic with class 11 and 12

  • @Hindustanijigarsher
    @Hindustanijigarsher 2 роки тому

    Very useful and exciting

  • @trs.1634
    @trs.1634 2 роки тому

    The maximum range is achieved around 44 degrees for light objects wherever at 37.5 degree for large objects like a javelin.

  • @Manish05shorts
    @Manish05shorts 2 роки тому

    Where from you

  • @Manish05shorts
    @Manish05shorts 2 роки тому

    Nice experiment

  • @sumaiyaelsia2140
    @sumaiyaelsia2140 2 роки тому

    Thank you👍

  • @swayamjoshi3549
    @swayamjoshi3549 2 роки тому

    Noice

  • @santoshkumarsharma4245
    @santoshkumarsharma4245 2 роки тому

    Aap kaha sa hai

  • @santoshkumarsharma4245
    @santoshkumarsharma4245 2 роки тому

    Mast raha expriment

  • @Indiaindiantvu
    @Indiaindiantvu 2 роки тому

    Thank you

  • @mr.m227
    @mr.m227 2 роки тому

    Good

  • @patriciababayo5076
    @patriciababayo5076 2 роки тому

    hi i would like to ask the length of the string

    • @williampeterson7749
      @williampeterson7749 2 роки тому

      That's a meter stick in the video which you can use for reference

  • @harshithchandra
    @harshithchandra 3 роки тому

    Great but no likes and comments

    • @JensenJoji
      @JensenJoji 7 місяців тому

      actually there is. eeven one counts

    • @harshithchandra
      @harshithchandra 7 місяців тому

      ​​@@JensenJojiu replied after 2 years😂

    • @JensenJoji
      @JensenJoji 7 місяців тому

      @@harshithchandra LOL. Didnt notice. time travel............

  • @AmzadCreation0729
    @AmzadCreation0729 3 роки тому

    Awesome 👍

  • @hazemyossef1135
    @hazemyossef1135 3 роки тому

    Thanks but do you know why the right hand rule work for such a system

  • @مريمحامد-ن4د
    @مريمحامد-ن4د 3 роки тому

    ما يصير شرح عربي

  • @designbyajpelectronic2356
    @designbyajpelectronic2356 3 роки тому

    Good, easy understand

  • @АлександрПопов-ш9з3щ

    0:25 Need software developer? whatsapp +79671570581