Explain the difference between cathode ray and beta ray?

449

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Explain the history of nuclear reaction?

499

---

What is the history of nuclear reaction?

452

---

What is fission?

507

---

Explain what does held nucleons together in a nucleus?

496

---

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

491

---

Explain how is energy transformed in windmills?

468

---

What is fusion?

531

---

What is the rest mass energy of an electron?

533

---

Tell me why is heavy water used as a moderator?

503

---

Tell me how asteroids are formed?

553

---

Explain what is nucleus?

468

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