- 1. E=mc² by David Bodanis is a captivating exploration of the famous equation formulated by Albert Einstein that fundamentally changed our understanding of energy, mass, and the universe. In this accessible yet deeply insightful book, Bodanis delves into not only the scientific underpinnings of the equation itself but also the historical context and the lives of the key figures involved in its development. Through engaging storytelling, he takes readers on a journey through the scientific revolution, highlighting the contributions of figures such as Einstein, as well as lesser-known individuals whose work laid the groundwork for this groundbreaking theory. Bodanis illustrates how E=mc² embodies the profound relationship between mass and energy, encapsulating the idea that they are interchangeable. He further explores the implications of this equation, discussing how it paved the way for advances in physics and technology, including nuclear energy. By weaving together science, history, and biography, Bodanis not only explains the equation but also emphasizes its significance in understanding the cosmos and our place within it. E=mc² is not just a mathematical formula but a window into the workings of the universe, and Bodanis's narrative brings this concept to life for readers, making complex ideas accessible and engaging.
What does 'c' represent in the equation?
A) The speed of an electron.
B) The speed of gravity.
C) The speed of sound.
D) The speed of light.
- 2. What type of energy does E=mc² primarily describe?
A) Chemical energy.
B) Nuclear energy.
C) Mechanical energy.
D) Thermal energy.
- 3. What phenomenon did E=mc² help to explain?
A) Electricity.
B) Magnetism.
C) Nuclear fission and fusion.
D) Gravity.
- 4. What does mass-energy equivalence imply?
A) Mass can be converted to energy.
B) Mass is irrelevant in physics.
C) Energy cannot change forms.
D) Energy can be created from nothing.
- 5. What is 'mass' in the context of E=mc²?
A) A measure of force.
B) A volume measure.
C) A type of energy.
D) A measure of matter.
- 6. What does 'E' symbolize according to E=mc²?
A) Energy.
B) Electricity.
C) Emotional energy.
D) Entropic forces.
- 7. E=mc² is a part of which of Einstein's theories?
A) Quantum mechanics
B) Classical mechanics
C) Special relativity
D) General relativity
- 8. What impact did E=mc² have on modern physics?
A) It disproved classical mechanics.
B) It revolutionized our understanding of energy and mass.
C) It simplified quantum theory.
D) It affected only astrophysics.
- 9. How did E=mc² affect humanity's view of the universe?
A) It suggested the universe has no secrets.
B) It deepened the understanding of energy's role.
C) It created a deterministic view of life.
D) It made the universe seem smaller.
- 10. What is a direct consequence of E=mc² for nuclear reactions?
A) Energy can be freely created.
B) Mass is transformed into a large amount of energy.
C) Energy is always conserved.
D) Mass cannot be destroyed.
- 11. Who originally formulated the theory of relativity?
A) Richard Feynman
B) Niels Bohr
C) Albert Einstein
D) Isaac Newton
- 12. E=mc² shows the relationship between energy and mass in which field of science?
A) Chemistry.
B) Physics.
C) Biology.
D) Economics.
- 13. In what year was the equation E=mc² first published?
A) 1925
B) 1895
C) 1915
D) 1905
- 14. How does E=mc² relate to the sun's energy?
A) The sun's energy comes from chemical reactions.
B) The sun converts mass into energy via fusion.
C) The sun emits energy without mass.
D) The sun generates energy from darkness.
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