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← ScienceWhich outcome occurs when light grazes a black hole?
A)Gravitational lensing increases divergence slightly✓
B)Blueshift linearly raises the frequency
C)Refraction causes photon trajectory splitting
D)Energy loss heats the event horizon
💡 Explanation
Gravitational lensing occurs because spacetime is curved by the black hole's mass, causing light to bend more than classical mechanics predicts. Therefore, divergence increases slightly; rather than refraction or heating because photons are accelerated.
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