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← ScienceWhich consequence would occur to an observer inside an elevator accelerating upwards in empty space, due to Einstein's equivalence principle?
A)Increased gravitational field strength✓
B)Decreased observed photon redshift
C)Spacetime curvature disappearance locally
D)Constant Doppler effect of light
💡 Explanation
The elevator's upward acceleration creates an artificial gravitational field mimicking a real gravitational field, an effect of the equivalence principle; because the acceleration produces an apparent gravitational force, therefore an increase in the perceived gravitational field occurs, rather than changes spacetime or photons directly.
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