Explain how many more times louder is 70 decibels than 10 decibels?

467

---

Explain what happens when you travel across the dateline?

532

---

Explain what is a newton meter?

528

---

Explain how do you find the refractive index of a liquid by using total internal reflection?

461

---

Tell me why does a tilted gyroscope not fall?

481

---

Explain what is density?

526

---

Explain what is time?

542

---

Explain what is cardiac output?

495

---

Explain the difference between a lens and a mirror?

473

---

Explain the branches of physics?

514

---

Tell me what is pascal s principle?

514

---

Explain the name for the physical constant with a value of 6.62 x 10-27 erg seconds?

496

---

Explain one advantage of a scanning electron microscope over a transmission electron microscope?

480

---

Explain how is nuclear fission different from nuclear fusion?

475

---

Explain which way do twin screw props on a boat rotate when propelling the boat forward?

464

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