JAMB CBT Physics 2021 Past Questions 1 - 20

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  • Опубліковано 17 січ 2025

КОМЕНТАРІ • 132

  • @tessamara1604
    @tessamara1604 2 роки тому +12

    MySchool app has been truly helpful! I'm glad I found it! 🙈🙈🙈

  • @ozoekweritaprecious
    @ozoekweritaprecious Рік тому +1

    understood better thanks

  • @Kheengzman
    @Kheengzman 2 роки тому +3

    You are really helping me
    ❤❤

    • @MyschoolNigeria
      @MyschoolNigeria  2 роки тому

      We are glad you find this channel helpful, keep watching.

  • @johnnyvictory992
    @johnnyvictory992 2 роки тому +5

    God bless you for all you do,
    Your sacrifice of time data everything
    Thanks so much 🙏🧎

    • @MyschoolNigeria
      @MyschoolNigeria  2 роки тому +4

      You are very welcome, God bless you too for appreciating us.

  • @NgoziOkeke-xl9mc
    @NgoziOkeke-xl9mc Рік тому +1

    Thank you sir God will be your strength

  • @nnennayanancy1670
    @nnennayanancy1670 2 роки тому +1

    Thanks so much and God bless you Sir 💓

  • @michaelchimelu3728
    @michaelchimelu3728 Рік тому +1

    Thanks so much sir. More blessings 👏

  • @IsraelUnekwuojo
    @IsraelUnekwuojo 9 місяців тому

    This have been very helpful
    Thank you so much 🙂🙂

  • @deejah147
    @deejah147 2 роки тому +2

    This is really sweet
    Pls keep making more videos

  • @omolayoelewa
    @omolayoelewa 10 місяців тому

    I love this.I'm weak in physics,so, pls I need a lot of series question and videos

    • @MyschoolNigeria
      @MyschoolNigeria  10 місяців тому

      Glad you found us, go through our physics playlists to see more videos.

  • @ayokunnumioyesile6929
    @ayokunnumioyesile6929 2 роки тому +8

    This was really helpful 👏 🙂 I was referred to by my teacher .
    The problem is that the ads are too much

  • @GideonJames-mg2hv
    @GideonJames-mg2hv 9 місяців тому

    Thanks you sir

  • @boseawolusi3104
    @boseawolusi3104 11 місяців тому

    Thank you❤

  • @OdeStella
    @OdeStella 10 місяців тому

    Thank you sir 👏

  • @zionthagreat3397
    @zionthagreat3397 2 роки тому

    Much Love here ❣️

    • @MyschoolNigeria
      @MyschoolNigeria  2 роки тому

      Thank you and we are glad you find this content helpful.

  • @ToluTECH
    @ToluTECH 2 роки тому +2

    I found your amazing channel today because I'm writing JAMB next year.
    I need help with my this year GCE though, help I mean post past questions please.

    • @MyschoolNigeria
      @MyschoolNigeria  2 роки тому +1

      Thank you for writing in.
      Please go through our JAMB video lessons to gain more knowledge as it would help you, or better still subscribe to the myschool topic by topic video lessons by clicking this link: myschool.ng/store/video-lessons-subscription Mathematics and English available for now.

  • @medicemmy4442
    @medicemmy4442 2 роки тому

    Thank you sir Abiola

  • @sundaypeter7162
    @sundaypeter7162 2 роки тому

    Continue the good work

  • @HappinessFidelis-z2z
    @HappinessFidelis-z2z Рік тому

    Every interesting

  • @raphaelechewodor2321
    @raphaelechewodor2321 Рік тому +1

    Infact Abiola you are doing a great job here, may God continue to bless you. Do you have past questions like this for waec?

    • @MyschoolNigeria
      @MyschoolNigeria  Рік тому +1

      Thank you for the warm appreciation, and God bless you too, no we don't have past question videos for WAEC, ones we consider that you will be the first to know.

  • @iykeokafor9639
    @iykeokafor9639 Рік тому

    Pls how to know if it is elastic collision or not

    • @MyschoolNigeria
      @MyschoolNigeria  Рік тому

      Kindly indicate the question number.

    • @iykeokafor9639
      @iykeokafor9639 Рік тому

      @@MyschoolNigeria question 4

    • @MyschoolNigeria
      @MyschoolNigeria  Рік тому +1

      When the two bodies move with the same velocity then we have elastic collision, and when the two bodies move with different velocities then we have inelastic collision.

  • @Leekberry7
    @Leekberry7 9 місяців тому

    Please how do you convert T1 to Calvin state with number of 273 in question number 7

    • @MyschoolNigeria
      @MyschoolNigeria  9 місяців тому

      If you're converting from degree Celsius to kelvin, we normally add 273 to the temperature in degree Celsius to convert it to kelvin. It's a standard process.

  • @Odenigbomaryannukamaka5
    @Odenigbomaryannukamaka5 11 місяців тому

    🎉Thank you please can i choose a topic to understand

    • @MyschoolNigeria
      @MyschoolNigeria  11 місяців тому

      Try to lay your hands on all topics, they are all useful.

  • @ChidimmaNwumeh
    @ChidimmaNwumeh 9 місяців тому

    For question 14 , what's the formula that relates R-L-C in a circuit

    • @MyschoolNigeria
      @MyschoolNigeria  9 місяців тому

      Visit the senior secondary physics by P.N Okeke and S.F Akande (page 280) that is impedance Z.

  • @OlaoluwaseunAfolayan
    @OlaoluwaseunAfolayan 9 місяців тому

    Wow nice teaching sir❤❤
    But please in question 14 if I want to solve how do I do it

    • @MyschoolNigeria
      @MyschoolNigeria  9 місяців тому

      Thank you.
      Click on this link myschool.ng/classroom/physics/60741?exam_type=jamb&exam_year=2021&page=3

  • @gracegabriel5088
    @gracegabriel5088 2 роки тому +1

    Quite helpful
    But is this going to come out on jamb?

    • @MyschoolNigeria
      @MyschoolNigeria  2 роки тому

      JAMB has a way of repeating questions, so our advise to you is to study as much past questions as you can.

  • @ellaiyalla9599
    @ellaiyalla9599 2 роки тому +1

    yeah this is really interesting .... But is this really going to help Jambites

    • @MyschoolNigeria
      @MyschoolNigeria  2 роки тому +2

      Yes it will help better prepare you for your exams not just JAMB only.

    • @ellaiyalla9599
      @ellaiyalla9599 2 роки тому +2

      @@MyschoolNigeria ok thank you😌

  • @JudeMkpughe
    @JudeMkpughe Рік тому

    Please is it compulsory to convert to kelvin scale

  • @amarachukwuozumba4515
    @amarachukwuozumba4515 2 роки тому

    Wow

  • @joyuberu761
    @joyuberu761 Рік тому

    Please can you help me explain Newton law of motion

    • @MyschoolNigeria
      @MyschoolNigeria  Рік тому

      The laws describe only the motion of a body as a whole and are valid only for motions relative to a reference frame. Usually, the reference frame is the Earth.
      The first law, also called the law of inertia, states that if a body is at rest or moving at constant speed in a straight line, it will continue to do so unless it is acted upon by a force.
      The second law states that the force F acting on a body is equal to the mass m of the body times its acceleration a, or F = ma.
      The third law, also called the action-reaction law, states that the actions of two bodies on each other are always equal in magnitude and opposite in direction.
      Kindly click on this link myschool.ng/questions/academic-questions to ask your academic questions.

  • @faridayakubuijabani
    @faridayakubuijabani Рік тому

    Why is it compulsory to convert some questions to kelvin skill

    • @MyschoolNigeria
      @MyschoolNigeria  Рік тому

      Kelvin scale is an absolute scale that is based on absolute zero. The zero on the Celsius scale is based on the properties of water. Also, the temperature in Celsius can be negative which makes it difficult to calculate. Whenever any calculation is done, the temperature is always converted from Celsius to kelvin.

  • @JudeMkpughe
    @JudeMkpughe Рік тому

    Please I can’t find the my school CBT app on App Store for iPhone.what do I do?

    • @MyschoolNigeria
      @MyschoolNigeria  Рік тому

      We currently don't have myschool APP on IOS, kindly use an android to download from playstore or use your safari browser to access myschool website www.myschool.ng

  • @EstherOnomeze
    @EstherOnomeze 11 місяців тому

    I have being trying to open myschool app.
    But it's not connecting

    • @MyschoolNigeria
      @MyschoolNigeria  11 місяців тому

      Kindly check if your data connection is on or better still, change your network provider for more accessibility.

  • @emmanueljohnson6807
    @emmanueljohnson6807 2 роки тому +1

    Sir how can I activate my school app on my phone, to get more questions

    • @MyschoolNigeria
      @MyschoolNigeria  2 роки тому

      Thank you for writing in.
      If you want to activate the myschool app on your mobile device, please log on to the app and click on (buy activation code) and choose the best payment method convenient enough for you. Read the instructions very carefully as you are required to send in your payment details to the given phone number as a text message or to the myschool official email address and wait for a response from us.
      To activate your software device please click on (buy activation code) if you see a sign in pop up, please click on create an account and create your account then you go ahead by choosing any payment method you're convenient enough with and make payment and send us the payment details as required to the myschool official email address or to the phone number as a text message.

  • @firstbaptistchurch1345
    @firstbaptistchurch1345 2 роки тому

    pls how to install my school cbt on ios device iphone to be precise

    • @MyschoolNigeria
      @MyschoolNigeria  2 роки тому +1

      We do not have the myschool app on IOS yet, you can visit our website from your browser www.myschool.ng

  • @Fhola283
    @Fhola283 2 роки тому +1

    Thanks very much for your help
    But question number 8 ,I don't understand
    I thought since it was converted to Ice at 0oc I thought the change in temperature would be 0-10 which is equivalent to -10oc but 10oc was used .can you please explain that to me
    Same thing in question 13 since the temperature was initially 80°c , I thought the change in temperature should be something different from 80°c .....I don't know though...just guessing
    Please explain 🥺

    • @MyschoolNigeria
      @MyschoolNigeria  2 роки тому +2

      Thank you for writing in!
      Question 8:
      Kindly note that the temperature difference usually carry a positive value.
      Question 13:
      The temperature difference is simply implied as 80 from the question.

  • @CatherineElom-xr4eb
    @CatherineElom-xr4eb 10 місяців тому

    Please how can I install the app on playstore because I can't find the app there pls i need ur help am writing jamb this year

    • @MyschoolNigeria
      @MyschoolNigeria  10 місяців тому

      After studying these videos, you should try to test yourself. You can test yourself by taking a simulated JAMB CBT exam using any of the following tools;
      1. JAMB CBT Practice Mobile App; myschool.ng/latest-jamb-cbt-practice-mobile-app-free-download
      2. JAMB CBT Practice Software; myschool.ng/latest-jamb-cbt-practice-software-free-download

    • @OkorieCharity-md2kp
      @OkorieCharity-md2kp 10 місяців тому

      Why can't I download the app

    • @MyschoolNigeria
      @MyschoolNigeria  10 місяців тому

      Are you using an iphone?

  • @Beauty_lord1
    @Beauty_lord1 Рік тому

    In question 8, why do we have to add the ml to the other one

  • @alabimorenikeji6805
    @alabimorenikeji6805 2 роки тому

    Thanks for the video question number 14 u said bcoz of the resonance everything is equal but 30v was in the answer why was it 40v

    • @MyschoolNigeria
      @MyschoolNigeria  2 роки тому

      Thanks for writing in!
      At resonance; we simply reckon that the value of inductor = value of capacitor, which is 40v as supplied in the question.
      Hope it helps!

  • @chinwemolokwu6043
    @chinwemolokwu6043 2 роки тому

    Pls how can I download this app after filling d detail so register is said name already been taking pls how I open it

    • @MyschoolNigeria
      @MyschoolNigeria  2 роки тому

      We are sorry for the inconvenience you may be facing.
      Kindly use UPPER case and LOWER case letters, along side numbers and some characters to register your username and it would work.

  • @pepkelly5265
    @pepkelly5265 Рік тому

    Another formula for echo is V=2x/t

  • @alexconfidence3590
    @alexconfidence3590 Рік тому

    How is it 129,920 cos mine is not the same as yours for question 13 can you please explain more on that

    • @MyschoolNigeria
      @MyschoolNigeria  Рік тому +1

      The answer is 129,920 then we need to approximate to get 130,000.

  • @Zubby009
    @Zubby009 Рік тому

    Thanks for the explanation
    But for the number 13 question, the temperature of the water was initially 80 degrees celsius, water vaporizes at 100 degrees celsius meaning that the temperature was raised by 20 degrees celsius before it could be vaporized
    Yet you used 80 degrees celsius as your change in temperature meanwhile it is stated as the initial temperature in the question. Please why is that?

    • @MyschoolNigeria
      @MyschoolNigeria  Рік тому

      Click on this link myschool.ng/classroom/physics/60740?exam_type=jamb&exam_year=2021&page=3 then scroll down to explanations.

  • @sundayqueen3618
    @sundayqueen3618 2 роки тому

    Pls the code that I bought
    they are saying invalid activation code
    Pls what can I do 😪😪😪

    • @MyschoolNigeria
      @MyschoolNigeria  2 роки тому

      Thanks for writing in!
      Kindly reach us via call on +234-9062547747
      or send us a mail via
      info@myschool.ng

  • @felixdiamond1242
    @felixdiamond1242 2 роки тому

    Nice video, but I don't understand why you didn't do 100-80 for delta theta in no. 11

    • @MyschoolNigeria
      @MyschoolNigeria  2 роки тому

      Kindly go through the question again and specify the question number, correctly.

    • @olugbemibabalola6949
      @olugbemibabalola6949 9 місяців тому

      It's number 13
      I have the same question

  • @onepunch471
    @onepunch471 2 роки тому

    Please is this the real past question because I have been seeing different one's.

    • @MyschoolNigeria
      @MyschoolNigeria  2 роки тому

      May i remind you that JAMB past questions have different types, the types you may have been seeing could differ. We employ you to study as much as you can, so as to be prepared for any element of surprise in your exams.

  • @PreciousIsaac-ok7zi
    @PreciousIsaac-ok7zi Рік тому

    Sir, please question 13 the answer was 129,920 then approximately 130,000. What if the options given is 129,920 is there no need for approximation

    • @MyschoolNigeria
      @MyschoolNigeria  Рік тому +1

      If the option given is the same thing with the answer gotten, knowing fully well that even with approximation none of the options would match, please go for the option with the same answer, but rarely does it happen, you would still need to approximate to get your answer.

    • @PreciousIsaac-ok7zi
      @PreciousIsaac-ok7zi Рік тому

      Okay sir, thank you

    • @MyschoolNigeria
      @MyschoolNigeria  Рік тому

      Welcome.

  • @ndukwejoshua9031
    @ndukwejoshua9031 2 роки тому

    Sir I have activated myschool app but the problems is that the Video lessons stop at 2019
    I really need the rest please

    • @MyschoolNigeria
      @MyschoolNigeria  2 роки тому

      Thanks for writing in!
      Kindly refresh/update your app and make sure your network signal is excellent.

    • @ndukwejoshua9031
      @ndukwejoshua9031 2 роки тому

      @@MyschoolNigeria how do I update it

    • @MyschoolNigeria
      @MyschoolNigeria  2 роки тому

      If you haven't activated please go ahead to make payment to get the activation code for more access on the myschool app.
      If you have activated already, open the myschool app, click on the column on the top left hand side of your screen and then click on update questions.

  • @OliviaEhimhen-Ebomese-c6k
    @OliviaEhimhen-Ebomese-c6k 9 місяців тому

    please hoe do u convert from grams to kilogram

  • @mariamtahir1686
    @mariamtahir1686 2 роки тому

    It has been 2 days and i haven't received my code for my school app and i've paid

    • @MyschoolNigeria
      @MyschoolNigeria  2 роки тому

      Thanks for writing in!
      Kindly reach us via call on +234-9062547747
      or send us a mail on info@myschool.ng to help resolve this ASAP.

  • @smartkids4937
    @smartkids4937 2 роки тому

    Please myschool do 1990s physics videos

    • @MyschoolNigeria
      @MyschoolNigeria  2 роки тому +1

      Thank you for writing in smatkids.
      Please stay tuned as we keep working on year after year JAMB questions until we get to 1990s.

    • @smartkids4937
      @smartkids4937 2 роки тому

      Do you online tutorial please how can I get your videos on my phone

    • @MyschoolNigeria
      @MyschoolNigeria  2 роки тому

      Click on this link myschool.ng/store/video-lessons-subscription to subscribe for the myschool topic by topic video lessons (Mathematics and English available for now).

  • @ndukwejoshua9031
    @ndukwejoshua9031 2 роки тому

    Oga this one u solve half life with this formula I really do not understand it please
    Even at school please help me bro thank u

    • @MyschoolNigeria
      @MyschoolNigeria  2 роки тому

      Thanks for writing in!
      Kindly read up on the topic 'Radioactive Decay'.

  • @temitopeadedipe2284
    @temitopeadedipe2284 2 роки тому

    Please I don't understand how this questions are different from that of my past questions 🤔🤔

    • @MyschoolNigeria
      @MyschoolNigeria  2 роки тому

      JAMB has different exam TYPES, it could be the TYPE we solved is different from yours. However, we advise myschoolers to study as much as possible.

  • @KomolafeBunmi-lz3nq
    @KomolafeBunmi-lz3nq 9 місяців тому

    Sir question 14 the inductor are 40 and 30 not only 40v. So sir please explain, I don't understand

    • @MyschoolNigeria
      @MyschoolNigeria  9 місяців тому

      At resonance XL = XC, that's why the answer is = 40v.
      Note: (that 30v is the value of the resistor, at resonance our concern is about inductor and capacitor only)

  • @bukolasotunde5360
    @bukolasotunde5360 2 роки тому

    I don't understand

  • @chinwemolokwu6043
    @chinwemolokwu6043 2 роки тому

    Pls attend to us that paid we need the activation code pls check messeges

    • @MyschoolNigeria
      @MyschoolNigeria  2 роки тому

      We are so sorry for the inconvenience you may be facing.
      Kindly call our official helpline for an immediate solution. Call Hours: 9am - 5pm (Mon - Fri)
      +234-9062547747

  • @tochiojukwu2614
    @tochiojukwu2614 2 роки тому

    So many repetitions from the previous years, yay

    • @MyschoolNigeria
      @MyschoolNigeria  2 роки тому +3

      JAMB finds a way of twisting and repeating some questions from different exam year, so we advice you study as much as you can.

  • @emmanueljonathan2095
    @emmanueljonathan2095 2 роки тому

    Do you have a WhatsApp group