physics

Gudmund Borelius

Gudmund Borelius 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 Gudmund Borelius rather than just read about it. In short: Carl Olof Gudmund Borelius (18 April 1889 – 1 October 1985) was a Swedish physicist who made contributions in solid-state physics. Career Borelius received his licentiate degree in philosophy from Lund University in 1914 and defended his thesis there in 1915.

Key takeaways

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

Reference excerpt

Carl Olof Gudmund Borelius (18 April 1889 – 1 October 1985) was a Swedish physicist who made contributions in solid-state physics.

Career Borelius received his licentiate degree in philosophy from Lund University in 1914 and defended his thesis there in 1915. He was a lecturer in physics from 1908 to 1915, associate professor from 1915 to 1922, and professor of physics at the KTH Royal Institute of Technology from 1922 to 1955. His research area was solid-state physics, especially the physics of metals, and he was the initiator of KTH's Master of Science program in engineering physics ("civilingenjör program"), which was started in 1932. In 1935, Borelius devised a model for homogeneous nucleation in a two-phase system. The model works particularly well near the spinodal decomposition region of the phase diagram. Borelius was elected a member of the Royal Swedish Academy of Engineering Sciences in 1940 and of the Royal Swedish Academy of Sciences in 1942. In 1960, he was awarded the Swedish Academy of Engineering Sciences's Grand Gold Medal for his research work in the physics of solids and for his contributions to teaching in the field of engineering physics at the technical universities, and in 1974 he was awarded an honorary doctorate from KTH. In memory of Borelius, the Borelius Medal is awarded every year for particularly valuable personal contributions to Engineering Physics at KTH.

Illustrations

Worked examples

Example 1 — a first encounter with Gudmund Borelius

Start with the simplest possible case. Write down what Gudmund Borelius 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 Gudmund Borelius 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 Gudmund Borelius 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 Gudmund Borelius

In research: Gudmund Borelius 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 Gudmund Borelius 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: Gudmund Borelius is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1889 births, 1985 deaths, Academic staff of the KTH Royal Institute of Technology, so understanding it makes those chapters shorter.
In everyday life: Look for Gudmund Borelius 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.

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How to study Gudmund Borelius in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Gudmund Borelius 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 Gudmund Borelius out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Gudmund Borelius in simple terms?

Carl Olof Gudmund Borelius (18 April 1889 – 1 October 1985) was a Swedish physicist who made contributions in solid-state physics. Career Borelius received his licentiate degree in philosophy from Lund University in 1914 and defended his thesis there in 1915.

Why does Gudmund Borelius 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 Gudmund Borelius?

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 Gudmund Borelius.