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Questions and Answers
What effect does a black hole have on light?
What effect does a black hole have on light?
- It emits light
- It bends light
- It reflects light
- It absorbs light (correct)
According to general relativity, what is the boundary of no escape in a black hole called?
According to general relativity, what is the boundary of no escape in a black hole called?
- Event horizon (correct)
- Black body
- Spacetime deformation
- Escape boundary
What is the temperature of the Hawking radiation emitted by stellar black holes?
What is the temperature of the Hawking radiation emitted by stellar black holes?
- Thousands of kelvin
- Billionths of a kelvin (correct)
- Billions of kelvin
- Millions of kelvin
Study Notes
Black Holes and Light
- A black hole's gravity is so strong that it warps the fabric of spacetime, bending and trapping light around it.
Boundaries of a Black Hole
- The boundary of no escape in a black hole is called the event horizon.
Hawking Radiation
- Stellar black holes emit Hawking radiation, which has a temperature of around 10-8 Kelvin.
- Hawking radiation is a theoretical prediction in quantum mechanics that black holes emit radiation due to quantum effects.
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Description
Test your knowledge about black holes and their fascinating properties in this quiz! Explore concepts such as event horizons, general relativity, and the effects of black holes on the universe. Challenge yourself with questions on the formation and behavior of these enigmatic cosmic phenomena.
