ULTIMATE Physics BASE Units in 15 minutes

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Here are the SI base units to lots of different quantities. This video is applicable to all exam boards including OCR A Level Physics, AQA A Level Physics, Edexcel, Eduqas, CIE and similar courses inlcuding AP Physics etc.
Chapters:
00:00 Force
00:30 Energy/Work Done
01:05 Momentum
01:17 Density
01:27 Pressure, Stress
02:04 Strain
02:20 Young's Modulus
02:42 Charge
02:54 Voltage
03:48 Resistance
04:19 Resistivity
05:03 Power
05:20 Intensity
05:47 Refractive Index
06:13 Angular Frequency/Angular Speed
06:35 Luminosity
06:57 Hubble's constant
07:27 Capacitance
08:26 Time Constant
09:12 Gravitational Constant
10:37 Planck's constant
11:20 Magnetic Flux Density
12:35 Specific Heat Capacity
13:56 Magnetic Flux (linkage)
14:43 Acoustic Impedance

Пікірлер: 46

  • @zhelyo_physics
    @zhelyo_physics Жыл бұрын

    What would you like me to go through in the last day before preparation? Last minute requests? : ) Good luck revising, everyone, you can do it! : )

  • @Raza.Sarwar

    @Raza.Sarwar

    Жыл бұрын

    6 marker on forces/momentum question, how you would approach/answer that style of question, like that 6 marker in the 2022 paper please?

  • @zaidm1134

    @zaidm1134

    Жыл бұрын

    ​​@@Raza.Sarwar Yes for sure!! Including Newtons Laws, Drag etc on others

  • @rishabhshukla2789

    @rishabhshukla2789

    Жыл бұрын

    long 6 mark questions

  • @rahanlol

    @rahanlol

    Жыл бұрын

    Long qualitative qs

  • @benwylie313

    @benwylie313

    Жыл бұрын

    Maybe just a general exam technique advice refresher?

  • @baraatellawi6233
    @baraatellawi623310 ай бұрын

    Thank you so much, this helped me a lot 🙏🙏

  • @zhelyo_physics

    @zhelyo_physics

    10 ай бұрын

    Anytime!

  • @itzsecretmystery4090
    @itzsecretmystery4090 Жыл бұрын

    Thank you very much- i am currently struggling with this thing in my physics a level🙏🙏

  • @zhelyo_physics

    @zhelyo_physics

    Жыл бұрын

    Anytime, glad this is useful!

  • @dude_mude3366
    @dude_mude3366Ай бұрын

    SO USEFULLL THANK UOUUU

  • @zhelyo_physics

    @zhelyo_physics

    Ай бұрын

    Anytime, thanks for the comment!

  • @O.GrimReaper.
    @O.GrimReaper.2 ай бұрын

    thank you so much just watching you teach hypes me up to study thank you soo much

  • @zhelyo_physics

    @zhelyo_physics

    2 ай бұрын

    great to hear, thank you for the comment

  • @finleyjohnson4193
    @finleyjohnson4193 Жыл бұрын

    If I used stefans law for luminosity, is it equivalent to say the base units are m^2 K^4 ?

  • @laurenellison7592

    @laurenellison7592

    Жыл бұрын

    No, because stefan's constant also has units which you need to take into account. This will be in your data booklet most likely.

  • @Obevna

    @Obevna

    Жыл бұрын

    Stefan's constant has units Wm^-2K^-4, which cancel out the others and you'd get the S.I base units of W left.

  • @finleyjohnson4193

    @finleyjohnson4193

    Жыл бұрын

    @@laurenellison7592completely forgot about that, thanks!

  • @sean2848
    @sean28482 ай бұрын

    What are units such as Joule and Coulomb called then? Are they known as derived units as well

  • @zhelyo_physics

    @zhelyo_physics

    2 ай бұрын

    yes. They are derived, not base units. They are standard units though or SI units. Hope this helps!

  • @AbdurRahmanabubakar5527
    @AbdurRahmanabubakar552710 ай бұрын

    At 1:45 you wrote density= kg/m-³ but wherever I go they say its kg/m³. Please elaborate for me.

  • @zhelyo_physics

    @zhelyo_physics

    10 ай бұрын

    I wrote kgm^-3 which is equivalent to kg/m^3. Hope this helps!

  • @Huvz__1453
    @Huvz__1453 Жыл бұрын

    What does “cd” represent its on the top left of the white board

  • @Obevna

    @Obevna

    Жыл бұрын

    candela, its a unit of light/luminous intensity

  • @Huvz__1453

    @Huvz__1453

    Жыл бұрын

    @@Obevna thanks

  • @zhelyo_physics

    @zhelyo_physics

    Жыл бұрын

    yep! We tend to not to use it in A Level Physics but it is a base unit too.

  • @Huvz__1453

    @Huvz__1453

    Жыл бұрын

    @@zhelyo_physics thanks 🙏

  • @kakarot8565
    @kakarot856515 күн бұрын

    Just started this so please bear w me. For resistance, I've never learnt a formula that says a volt could become kgm^2A^-1. Am I supposed to just memorise some of these?

  • @zhelyo_physics

    @zhelyo_physics

    10 күн бұрын

    no need to memorise, you can usually derive it : )

  • @mohammedjafer9265
    @mohammedjafer9265 Жыл бұрын

    For Capacitance would the S not be S-2 since S/S*3 correct me if I am wrong.

  • @yusufspahi1693

    @yusufspahi1693

    Жыл бұрын

    That's what I thought but its s^{-3} in the denominator, its just hard to see what the wrote.

  • @zhelyo_physics

    @zhelyo_physics

    Жыл бұрын

    Yep, it's s(-3) in the denominator, therefore s/s(-3) gives us s^4. Hope this helps!

  • @J.DaviesArt
    @J.DaviesArt2 ай бұрын

    My criticism would be to use different colours to break it up visually for people I'am a artist learning maths lol just noticed a lot of videos do need better presentation to suit all learners.

  • @zhelyo_physics

    @zhelyo_physics

    2 ай бұрын

    thank you excellent idea

  • @highkage8580
    @highkage8580 Жыл бұрын

    Whst about force bw charges

  • @zhelyo_physics

    @zhelyo_physics

    Жыл бұрын

    Do you mean the coloumb force? This is still measured in Newtons and all forces have the same units. Hope this helps!

  • @highkage8580

    @highkage8580

    Жыл бұрын

    @@zhelyo_physics ty

  • @jancarlocanas382
    @jancarlocanas382 Жыл бұрын

    Is all of circular motion and simple harmonic and oscillations in radians?? On calc

  • @zhelyo_physics

    @zhelyo_physics

    Жыл бұрын

    depends on the question, but only x=acos(wt) and x=asin(wt) are in radians. The rest only if the question gives you values in radians or you have to find the arclength using s=rtheta

  • @jancarlocanas382

    @jancarlocanas382

    Жыл бұрын

    @@zhelyo_physics I love you so much

  • @terra3665
    @terra3665 Жыл бұрын

    OMG I accidentally disliked! So sorry, I love your videos truly

  • @scotttillinghast9665
    @scotttillinghast96657 ай бұрын

    Base units are not derived units.