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← ScienceWhich consequence results when gravitational lensing occurs around a black hole?
A)Increased observation redshift✓
B)Spacetime undergoes shearing
C)Photon energy is conserved.
D)Light follows straight paths
💡 Explanation
Gravitational lensing increases observation redshift of background objects because the equivalence principle suggests gravity behaves like *acceleration*, therefore increasing light's wavelength shifts to red, rather than light conserving energy at original wavelengths.
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