Course

A2 Physics: Planning, Analysis & Paper 5 Mastery (9702)

Name: A2 Physics: Planning, Analysis & Paper 5 Mastery (9702)
Price: 1499 BDT

Dedicated preparation for Cambridge 9702 Paper 5: 15-mark experimental planning, logarithmic linearisations, error bar plotting, best-fit and worst acceptable lines, gradient/intercept uncertainties, and significant figure rules.

20 lessons2h 1mEnglish

What you'll learn

Score full marks on the Question 1 planning framework (defining variables, apparatus diagrams, procedure, and safety)
Secure all 4 additional detail marks on experimental design questions
Linearise power laws and exponential equations using base-10 and natural logarithms
Calculate logarithmic uncertainties and plot precise vertical error bars on graph grids
Draw valid lines of best fit and bounded worst acceptable lines passing through all error bars
Calculate gradient and y-intercept uncertainties Delta m and Delta c using large triangles
Report derived physical constants with matching decimal places and SI units

Requirements

Enrolled in Cambridge A Level Physics (9702)
Completed AS Level Physics or equivalent mechanics and electricity foundations
Comfortable with logarithms, algebra, and graphical analysis

Course content

20 lessons · 2h 1m

Planning Investigations (Question 1)

Master the 15-mark Question 1 framework: defining variables, labelled apparatus diagrams, procedure, and safety.

0/4

Defining Variables & Hypotheses

Identify independent, dependent, and control variables with precise control methods.

Preview7m 2.

Labelled Apparatus Diagrams

Draw workable two-dimensional diagrams with explicit labels for every functional component.

Preview7m

Procedure & Measurement Techniques

Detail step-by-step procedures specifying exact instruments and reading methods.

Safety & Additional Detail Marks

Identify authentic hazards and secure the 4 additional detail marks on Paper 5.

Logarithmic Linearisation

Linearise power laws and exponential relationships into straight-line forms y = mx + c.

0/4

Linearising Power Laws (y = a x^n)

Convert power laws into linear form using base-10 logarithms to find powers and pre-factors.

Preview7m 2.

Linearising Exponential Laws (y = a e^kx)

Linearise exponential decay and growth using natural logarithms to extract rate constants.

Preview7m

Complex Algebraic Linearisation

Rearrange non-linear physics equations into straight-line form Y = m X + c.

Uncertainties in Logarithmic Quantities

Transform raw absolute uncertainties into logarithmic error bars for Paper 5 graphs.

Error Bars & Worst Acceptable Lines

Plot error bars, construct best-fit and worst acceptable lines, and calculate uncertainties in slope and intercept.

0/4

Plotting Error Bars on Graphs

Draw vertical and horizontal error bars accurately to half a small square.

Preview7m 2.

Line of Best Fit & Worst Acceptable Line

Construct balanced best-fit lines and bounded worst acceptable lines through error bars.

Preview8m

Gradient & Gradient Uncertainty

Calculate gradients of both lines using large triangles and find uncertainty in gradient.

Y-Intercept & Intercept Uncertainty

Calculate y-intercepts algebraically and find uncertainty in y-intercept Delta c.

Evaluating Constants & Exam Strategy

Extract physical constants, apply Cambridge significant figure conventions, and master timed exam strategy.

0/4

Extracting Constants with Uncertainties

Solve for target constants from gradient and intercept, propagating fractional errors.

Preview8m 2.

Significant Figures in Paper 5

Apply the golden rule: uncertainty to 1 or 2 sig figs, value to matching decimal places.

Preview7m

Detecting & Handling Anomalous Data

Identify outliers whose error bars miss the best-fit line and analyze experimental causes.

Complete Paper 5 Exam Strategy

Master time allocation, mark distributions, and checklist verification for Cambridge Paper 5.

About the creator

8bitlesson

Cambridge O Level, A Level and university courses, taught through interactive labs.

Mentora builds the sciences and mathematics as things you can move rather than videos you watch. Cambridge O Level and A Level mathematics, physics, chemistry and accounting, a primary mathematics track, and first-year university computer science. Every lesson works a real exam question end to end.