Why does not bicycle fall when it running condition? When it fall whiteout stand. Why?

910

---

Tell me how computer use for communication?

1007

---

What is the history of nuclear reaction?

873

---

What is fission?

920

---

Explain what does held nucleons together in a nucleus?

871

---

Explain the essential difference between an electron and a beta ray?

941

---

Explain how is energy transformed in windmills?

934

---

What is fusion?

935

---

What is the rest mass energy of an electron?

949

---

Tell me why is heavy water used as a moderator?

901

---

Tell me how asteroids are formed?

971

---

Explain what is nucleus?

854

---

Explain what is relation between magnetic and electricity and why?

946

---

Explain what is optical medium?

943

---

Explain the working of basic rubber ink filler

957

---