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Exam (elaborations)

Big Bang Question Sheet

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2024/2025 Written for academic year
Institution 11th Grade
Course Science
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Big Bang Theory Question Sheet – Complete Review & Practice Assessment This question sheet is a comprehensive tool for students studying the Big Bang Theory. It’s tailored for high school physics or introductory-level astronomy courses and offers a balanced mix of theoretical understanding and practical application. What’s Included: Multiple Choice (10 questions): Tests key concepts and definitions Short Answer (10 questions): Prompts students to explain major ideas in their own words Data Analysis Section: Applies Hubble’s law to real astronomical data Mathematical Problems (2): Exercises in unit conversion and temperature scaling Essay Section: Encourages deeper thinking on cosmic inflation, dark energy, or the Hubble tension Total Points: 100

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Make Sure To double check all your answers before submitting​ ​ ​ Total /100




Part A: Multiple Choice

1.​ The Big Bang theory estimates the age of the universe to be approximately:
1.​ 4.6 billion years
2.​ 13.8 billion years
3.​ 100 million years
4.​ 50 billion years
2.​ Which observation first provided evidence for an expanding universe?
1.​ Cosmic microwave background
2.​ Galaxy redshifts
3.​ Primordial helium abundance
4.​ Solar parallax
3.​ Hubble’s law relates velocity v and distance d by v=H0 d. If H0=70 km/s/Mpc,
what is the recessional velocity of a galaxy at 10 Mpc?
1.​ 70 km/s
2.​ 700 km/s
3.​ 1 400 km/s
4.​ 0 km/s
4.​ The cosmic microwave background’s temperature today is closest to:
1.​ 300 K
2.​ 2.7 K
3.​ 0 K
4.​ 1 000 K
5.​ Primordial nucleosynthesis occurred during which epoch?
1.​ Planck epoch

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11th Grade
School year
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Uploaded on
July 12, 2025
Number of pages
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2024/2025
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