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Max Planck Trivia Questions

How much do you really know about Max Planck? Below are 8 true or false statements. Click each one to reveal the answer and explanation.

1.

Planck's famous constant, h, was derived from studying blackbody radiation.

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Easy
✓ TRUE

In 1900, Planck introduced h to solve the ultraviolet catastrophe, founding quantum theory.

2.

Planck's constant is the smallest possible unit of energy in the universe.

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Medium
✗ FALSE

Planck’s constant is a proportionality factor, not an energy unit; the smallest energy depends on frequency and context.

3.

Max Planck considered a career as a professional pianist before choosing physics.

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Medium
✓ TRUE

Planck was an accomplished pianist who seriously weighed a music career. He chose physics despite professor von Jolly's remark that the field was essentially complete, replying that he just wished to understand the fundamentals.

4.

Planck discovered the photoelectric effect before Einstein.

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Medium
✗ FALSE

Einstein explained the photoelectric effect in 1905 using Planck’s quantum concept; Planck himself did not work on it.

5.

Planck was awarded the Nobel Prize in Physics in 1918 for his discovery of energy quanta.

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Medium
✓ TRUE

He won the 1918 Nobel (awarded 1919) for his quantum theory, though many initially doubted it.

6.

Max Planck was forced to resign his academic post during the Nazi regime.

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Hard
✗ FALSE

Planck remained in his positions, including president of the Kaiser Wilhelm Society (1930–1937), despite Nazi pressure. He was not forced to resign; he later stepped down due to age and political constraints, not direct coercion.

7.

Planck personally opposed Einstein's theory of relativity for decades.

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Hard
✗ FALSE

Planck was an early supporter of Einstein’s relativity, helping to promote it and hiring Einstein in Berlin.

8.

Planck’s second son, Erwin, was executed by the Nazis for involvement in the July 20 plot.

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Hard
✓ TRUE

Erwin Planck was executed in 1945 for his role in the conspiracy to assassinate Hitler, devastating Max.

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