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WHICH OF THE FOLLOWING HAS HIGHER VELOCITY? A]ALPHA B]BETA C]X-RAY
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C) X-rays They travel with ultimate velocity->c
alpha rays high-speed helium nuclei ejected from radioactive substances; they have less penetrating power than beta rays.. beta rays electrons ejected from radioactive substances with velocities as high as 0.98 of the velocity of light; they have more penetrating power than alpha rays, but less than gamma rays.(X rays)
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