How many protons are present in a single deuterium nucleus?

934

---

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

853

---

Explain what happens when you travel across the dateline?

976

---

Explain what is a newton meter?

937

---

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

888

---

Tell me why does a tilted gyroscope not fall?

858

---

Explain what is density?

880

---

Explain what is time?

933

---

Explain what is cardiac output?

862

---

Explain the difference between a lens and a mirror?

965

---

Explain the branches of physics?

971

---

Tell me what is pascal s principle?

967

---

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

903

---

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

864

---

Explain how is nuclear fission different from nuclear fusion?

943

---