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← ScienceWhich outcome is likely at a black hole's event horizon because of Einstein's equivalence principle?
A)Extreme gravitational redshift of emitted light✓
B)Spacetime unaffected by gravitational forces
C)Hawking radiation becomes entirely suppressed
D)Infinitely increasing blue shift of light
💡 Explanation
Extreme gravitational redshift occurs because General Relativity posits gravity is equivalent to acceleration; the extreme gravity near a black hole causes substantial spacetime curvature. Therefore observable emitted light redshifts, rather than blue shifting, because of energy loss in that warped region near the event horizon.
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