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Which gravitational effect impacts a cesium atomic clock's rate from relativistic spacetime on a GPS satellite?

A)Frame dragging causes signal variance
B)Time dilation modifies tick rate
C)Gravitational lensing refracts photons
D)Cosmological redshift alters wave frequency

💡 Explanation

On GPS satellites, orbital velocity and weaker gravity result in relativistic effects that influence clock precision; time dilation causes decreased tick rate because of velocity and increased tick rate because of gravitational potential, therefore recalibration, rather than Doppler or lensing issues, is critical.

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