Physics

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Hardest questions

1. The discovery that the pitch of a musical note is in proportion to the length of the string producing it is attributed to the greek scientist: 1257
2. Which of these discoveries was the earliest? 1256
3. What is the change in orientation of the axis of a rotating body? 1255
4. the basic unit of electromotive force is a: 1249
5. Whose discoveries initiated quantum mechanics? 1248
6. What did Paul Ulrich Villard discover in 1900? 1247
7. Which can be used as a dielectric in a capacitor? 1246
8. Who won a Nobel Prize in 1982 for his development of crystallographic electron microscopy? 1243
9. The two ends of are called: 1241
10. Which constant is defined via the Avogadro constant? 1240