Physics · Black Hole
A black hole does not allow any radiation or matter to escape from its surface due to extreme gravity. What is the boundary called from which not even light can escape?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Photon Sphere✓
- 2Accretion Disk
- 3Event Horizon
- 4Singularity
Correct answer
Photon Sphere
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