Which of the following statements proves that | vedclass

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(D) The intensity of the cosmic ray stream of charged particles is greater at the poles than at the equator because the Earth's magnetic field is stro

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The intensity of cosmic rays (stream of charged particles) is more at the poles than at the equator.

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(D) The intensity of the cosmic ray stream of charged particles is greater at the poles than at the equator because the Earth's magnetic field is strongest at the poles.Charged particles (cosmic rays) are deflected by the Earth's magnetic field due to the Lorentz force,$F = q(v 	imes B)$.This deflection is more pronounced near the equator,where the magnetic field lines are horizontal,causing many charged particles to be diverted away.At the poles,the magnetic field lines are vertical,allowing more charged particles to reach the surface.This variation in the intensity of cosmic rays provides direct evidence that the Earth possesses a magnetic field.

Which of the following statements proves that Earth has a magnetic field?

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