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← ScienceWhich mechanism causes apparent deflection of starlight passing near a black hole?
A)Spacetime curvature by extreme mass✓
B)Refraction due to intense gravity
C)Doppler shift and frequency alteration
D)Quantum entanglement and wave interference
💡 Explanation
Gravitational lensing occurs because spacetime curvature near a massive object bends the path of light. The Extreme mass warps space, therefore starlight appears to deflect, rather than spectral shifting or quantum processes being the primary cause.
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