Tell me what is radium used for?

965

---

Explain what instrument is used to measure volume?

1014

---

Explain the applications of nmr spectroscopy?

991

---

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

923

---

Explain the difference between dynamic strain aging and strain aging?

979

---

Explain what does hull speed mean?

1073

---

Explain the difference between intrinsic and extrinsic semiconductors?

947

---

Explain the steps to the scientific notation?

913

---

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

921

---

Explain what is the direction of null vector?

1051

---

Explain what is the difference between diffraction and interference?

966

---

Explain the use of galvanometer?

1026

---

How many protons are present in a single deuterium nucleus?

1006

---

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

922

---

Explain what happens when you travel across the dateline?

1036

---