Tell me what is radium used for?

917

---

Explain what instrument is used to measure volume?

959

---

Explain the applications of nmr spectroscopy?

930

---

Explain why is there more friction when you push an object than when you pull it?

869

---

Explain the difference between dynamic strain aging and strain aging?

907

---

Explain what does hull speed mean?

1001

---

Explain the difference between intrinsic and extrinsic semiconductors?

892

---

Explain the steps to the scientific notation?

859

---

Tell me how many neutrons and how many protons are present in a single deuterium nucleus?

877

---

Explain what is the direction of null vector?

981

---

Explain what is the difference between diffraction and interference?

915

---

Explain the use of galvanometer?

989

---

How many protons are present in a single deuterium nucleus?

952

---

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

864

---

Explain what happens when you travel across the dateline?

993

---