Exercises

Every exercise from the courses, in one place. Search for a specific one, filter by subject, or let chance pick one for you.

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Flash questionsShort drills on core skills, as cards to project or print.See the series

1120 exercises

Matrices

Mathématiques – Algèbre4 exercises

Size and coefficients of a matrix

Short answerAdvanced

Computing a combination of matrices

Computing a coefficient of the matrix product

Open answerAdvanced

Full transformation of a point by a matrix

Conditional probability

Mathématiques – Probabilités4 exercises

Reading a conditional probability

Short answerAdvanced

Sum of the probabilities of a tree

Total probability with two suppliers

Open answerAdvanced

Interpreting the medical test result

Proof by induction

Mathématiques – Analyse4 exercises

Identifying the two steps of induction

Short answerAdvanced

The trigger of the domino fall

Spotting the mistake in a write-up

Open answerAdvanced

Checking a proof by induction

The black body and the birth of the quanta

Physique – Physique quantique4 exercises

Wien's law

Open answerAdvanced

Why is it a "catastrophe"?

Short answerAdvanced

Energy of a quantum

The role of the constant h

Quantum tunnelling

Physique – Physique quantique4 exercises

Sensitivity to width

Open answerAdvanced

Why not everyday objects?

Radioactivity and tunnelling

Short answerAdvanced

The scanning tunnelling microscope

Spin and the Pauli Principle

Physique – Physique quantique4 exercises

Interpreting Stern-Gerlach

Short answerAdvanced

The values of the electron's spin

How many electrons per orbital?

Open answerAdvanced

Without Pauli, no chemistry