Mega Lecture Academy

Mega Lecture Academy EdTech firm that provides e-learning solutions to K-12 and adult learners. For more videos visit us at: www.megalecture.com

21/08/2026

Every SUVAT equation comes from one simple speed-time graph for constant acceleration. The gradient of the line is the acceleration, which gives v = u + at, and the area under the line is the distance, which gives s = ut + half a t squared. Watch the full derivation and the equations stop being something to memorise and start making sense.

AS Physics (9702)

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20/08/2026

The proper name for the transition elements is the d-block, because their last electron enters a d subshell. But not every d-block element is a transition metal, since transition metals must show specific properties like variable oxidation states and coloured compounds. Knowing this distinction stops you losing easy marks in atomic structure questions.

A-Level Chemistry (9701)

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#9701

19/08/2026

A reaction is feasible when the Gibbs free energy change, delta G, is negative. Delta G equals delta H minus T times delta S, so both the enthalpy change and the entropy change decide the outcome. When delta H is negative and delta S is positive, as when petrol burns, delta G is always negative and the reaction is feasible at any temperature.

A-Level Chemistry (9701)

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#9701

18/08/2026

In a disproportionation reaction the same element in the same compound is oxidised and reduced at the same time. A classic example is chlorine reacting with sodium hydroxide, where chlorine goes both up and down in oxidation number. Learn to spot these and tricky redox balancing becomes much easier.

A-Level Chemistry (9701)

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#9701

18/08/2026

Going down a group, first ionisation energy decreases even though the nuclear charge increases. The outer electron sits further from the nucleus and feels more shielding from the inner shells, so it is easier to remove. These two factors outweigh the extra protons, which is why the ionisation energy still falls.

A-Level Chemistry (9701)

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#9701

18/08/2026

Before you open that envelope or log into the portal today, read this: ✉️✨

🛑 A grade is feedback, not a verdict on your self-worth.

🛑 Comparison will steal whatever peace you have today. Celebrate your own effort, regardless of what anyone else scored.

🛑 Every outcome has a clear way forward. University paths, colleges, and careers are never built on a single set of numbers.

Whatever is waiting on that screen today, your hard work and growth over the last year are real and valid.

Hold your head high. You’ve got a whole future ahead of you.

👇 Drop a ❤️ in the comments to send good vibes to everyone waiting on results today!



18/08/2026

Got your raw Cambridge script back and have no idea what all those stamps, abbreviations, and symbols mean? 👀📄
When examiners mark CAIE papers (mostly via on-screen marking software like RM Assessor), they use standardized digital stamps and notations.
Core Marking Stamps & Symbols
* Tick (\checkmark): A valid marking point or correct response that satisfies the mark scheme. In many subjects, 1 tick = 1 mark awarded.
* Cross (\times): Incorrect answer, misconception, or a required marking point was missed.
* SEEN: The examiner has viewed and read the page or section. Examiners are required to stamp this on blank answer pages, crossed-out work, or continued pages to verify nothing was overlooked. It awards zero marks.
* BOD (Benefit of Doubt): The wording is slightly ambiguous or borderline, but the examiner gave you credit.
* NBOD (No Benefit of Doubt): The response is too ambiguous or incomplete to justify awarding the mark.
Accuracy & Method Codes (Sciences & Math)
* M / A / B Marks:
* M: Method mark (correct working, even if calculation fails).
* A: Accuracy mark (correct value derived from correct method).
* B: Independent mark (standalone fact or correct value without working).
* ECF / FT: Error Carried Forward / Follow-Through—you made an earlier mistake, but your subsequent method was fully correct based on that wrong value.
* SF / AE / EE: Significant Figure, Arithmetic Error, or Ex*****on Error penalties.
* Omission / Caret (\wedge): A crucial step, keyword, or unit was left out.
Essay & Subject-Specific Stamps
* TV (Too Vague): The statement lacks precision or depth to trigger the mark scheme point.
* IRRL / NAQ: Irrelevant or Not Answering Question—writing extra material that does not address the prompt.
* REP: Repetition of an earlier point (does not gain additional marks).
* DEV / EXP: Point successfully Developed or Explained.
* KU / AN / EV: Marks indicating Assessment Objectives: Knowledge & Understanding, Analysis, or Evaluation (common in Economics, Business, and Humanities).
Save this guide to decode your marked scripts or post-result reviews! 💡

17/08/2026

Your marked CAIE script is free. The remark is not.

Access to Scripts (ATS) costs nothing from Cambridge - your exams officer can download your marked digital scripts from the My Cambridge portal. Some schools add a small local admin fee for staff time, and private candidates registered through the British Council should check their SRS portal for handling charges.

An Enquiry About Results is the part that costs money. Clerical recheck and full remark fees differ by component and are published to schools. The good news: if the remark upgrades your final syllabus grade, Cambridge refunds the fee.

So do it in this order. Get the free script first. Sit with your teacher and find out whether marks were actually lost to a marking error or to your answer. Only then pay for the recheck.

Ask your exams officer for your Access to Scripts copy today.

For Live Classes, Contact +92 323 509 4443 or Register at www.Megalecture.com

15/08/2026

What exactly is first ionisation energy? It's the energy needed to remove one mole of electrons from one mole of gaseous atoms to form one mole of gaseous plus 1 ions. The atom must be isolated and in the gas phase, and examiners want that exact wording plus the state symbols. Nail the definition and you bank easy marks every time.

A-Level Chemistry (9701)

For Live Classes, Contact +92 323 509 4443 or Register at www.Megalecture.com

#9701

15/08/2026

Only one function walks away undefeated. 🥊

d/dx steps into the yard and starts knocking out everything in sight — x³? Down. But eˣ just stands there with its arms crossed... because the derivative of eˣ is eˣ. It doesn't move because it never changes. 😭📐

This is the joke that makes calculus click. Once you actually get why eˣ is unbeatable, the rest of differentiation starts making a lot more sense.

Still feel like you're the one getting knocked out every time you open your calculus notes? That's exactly what our Live Tutors are for — 1-on-1 sessions that break Differentiation down until it's actually easy. Link in bio to sign up. 💙

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