- 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 gravity.
B) The speed of light.
C) The speed of sound.
D) The speed of an electron.
- 2. What type of energy does E=mc² primarily describe?
A) Mechanical energy.
B) Chemical energy.
C) Thermal energy.
D) Nuclear energy.
- 3. What phenomenon did E=mc² help to explain?
A) Gravity.
B) Magnetism.
C) Electricity.
D) Nuclear fission and fusion.
- 4. What does mass-energy equivalence imply?
A) Mass can be converted to energy.
B) Energy can be created from nothing.
C) Mass is irrelevant in physics.
D) Energy cannot change forms.
- 5. What is 'mass' in the context of E=mc²?
A) A volume measure.
B) A measure of force.
C) A type of energy.
D) A measure of matter.
- 6. What does 'E' symbolize according to E=mc²?
A) Energy.
B) Entropic forces.
C) Emotional energy.
D) Electricity.
- 7. E=mc² is a part of which of Einstein's theories?
A) Special relativity
B) Quantum mechanics
C) General relativity
D) Classical mechanics
- 8. What impact did E=mc² have on modern physics?
A) It disproved classical mechanics.
B) It affected only astrophysics.
C) It revolutionized our understanding of energy and mass.
D) It simplified quantum theory.
- 9. How did E=mc² affect humanity's view of the universe?
A) It made the universe seem smaller.
B) It created a deterministic view of life.
C) It suggested the universe has no secrets.
D) It deepened the understanding of energy's role.
- 10. What is a direct consequence of E=mc² for nuclear reactions?
A) Mass cannot be destroyed.
B) Energy can be freely created.
C) Energy is always conserved.
D) Mass is transformed into a large amount of energy.
- 11. Who originally formulated the theory of relativity?
A) Isaac Newton
B) Niels Bohr
C) Richard Feynman
D) Albert Einstein
- 12. E=mc² shows the relationship between energy and mass in which field of science?
A) Physics.
B) Chemistry.
C) Economics.
D) Biology.
- 13. In what year was the equation E=mc² first published?
A) 1895
B) 1915
C) 1925
D) 1905
- 14. How does E=mc² relate to the sun's energy?
A) The sun emits energy without mass.
B) The sun generates energy from darkness.
C) The sun converts mass into energy via fusion.
D) The sun's energy comes from chemical reactions.
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