Curriculum
Course: Igcse Physics
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Curriculum

Igcse Physics

1. Motion, Forces and Energy

0/161 Dr Dabour Hub Science Diagram and Course Material

2. Thermal Physics

0/75 Dr Dabour Hub Science Diagram and Course Material

3. Waves

0/77 Dr Dabour Hub Science Diagram and Course Material

4. Electricity and Magnetism

0/119 Dr Dabour Hub Science Diagram and Course Material

5. Nuclear Physics

0/39 Dr Dabour Hub Science Diagram and Course Material

6. Space Physics

0/47 Dr Dabour Hub Science Diagram and Course Material
Quiz

6.2.7 Age of the Universe – Check yourself

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1.
Which equation gives the age of the Universe?
H₀
H₀ d
1 / H₀
d / H₀
2.
H₀ = 2.2 × 10⁻¹⁸ s⁻¹. The age in seconds is about…
4.5 × 10¹⁷ s
2.2 × 10¹⁸ s
4.5 × 10⁻¹⁸ s
1.4 × 10¹⁰ s
3.
What is the age of the Universe in years?
About 4.6 million
About 14 billion
About 14 million
About 4.6 billion
4.
A larger value of H₀ would give…
An older Universe
The same age
An infinite age
A younger Universe
5.
The simple method assumes that galaxy speeds have been…
Constant
Zero
Increasing
Different for each galaxy
6.
A galaxy at distance d recedes at v = H₀d. The time d/v equals…
H₀
H₀²
1 / H₀
d
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