physics

Luce Langevin

Luce Langevin is a physics topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Luce Langevin rather than just read about it. In short: Luce Langevin, born Luce Dubus (26 December 1899 in Marissel – 27 August 2002 in Paris) was a French physicist, teacher at Fénelon high school in Paris and a communist activist. Biography Luce Dubus was a student at the École Normale Supérieure de jeunes filles de Sèvres in the 1920s.

Key takeaways

Luce Langevin belongs to physics; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Luce Langevin to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Luce Langevin from memory before moving on to harder problems.

Reference excerpt

Luce Langevin, born Luce Dubus (26 December 1899 in Marissel – 27 August 2002 in Paris) was a French physicist, teacher at Fénelon high school in Paris and a communist activist.

Biography Luce Dubus was a student at the École Normale Supérieure de jeunes filles de Sèvres in the 1920s. She graduated the agrégation competition in two specialities, physical sciences and biology. She married André Langevin, French physicist Paul Langevin's son. She was very influenced by her stepfather, for whom she was full of admiration. André and Luce gave birth to two children, nuclear physicist Michel Langevin and anglicist Aline Dajoz. From 1930 to 1960, she was a teacher at Fénelon high school in Paris. From 1934, she was an activist in the World feminist meeting against war and fascism. Then she signed the French petition for intervention during the Spanish civil War. In 1935, she joined the French Communist Party and took part to the 1936 strikes in France. She was a member of the Université Libre. After the liberation of Paris in 1944, she was still a scientist, a teacher and a communist activist for several years until she retired. She wrote many scientific and political papers published in La Pensée and a book on the Russian philosopher Mikhail Lomonosov. She died in Paris in 2002 at the age of 102.

Publications

References

Illustrations

Worked examples

Example 1 — a first encounter with Luce Langevin

Start with the simplest possible case. Write down what Luce Langevin claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In physics, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Luce Langevin before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Luce Langevin ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Luce Langevin

In research: Luce Langevin appears in physics research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Luce Langevin in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Luce Langevin is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1899 births, 2002 deaths, 20th-century French physicists, so understanding it makes those chapters shorter.
In everyday life: Look for Luce Langevin outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

Ask Teacher Smith questions about this articleOpens your AI tutor with a question about “Luce Langevin” →

Affiliate

Preply — study more efficiently by working with a personal tutor. 50% off.

How to study Luce Langevin in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Luce Langevin means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Luce Langevin out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Luce Langevin in simple terms?

Luce Langevin, born Luce Dubus (26 December 1899 in Marissel – 27 August 2002 in Paris) was a French physicist, teacher at Fénelon high school in Paris and a communist activist. Biography Luce Dubus was a student at the École Normale Supérieure de jeunes filles de Sèvres in the 1920s.

Why does Luce Langevin matter?

Because it connects several physics ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Luce Langevin?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Luce Langevin.