Question

who of the following is associated with radioactivity
options
henri becquerel
Isaac Newton
Albert Einstein
CV Raman

Answer 1

HOLA !!

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✔ Radio activity is associated with Henri bacquel

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While working in a lab observation he found that it originated from a partially evacuated Hittof-Crookes tube, covered in opaque black paper which he was using to study cathode rays. He concluded that the fluorescence, which penetrated the opaque black paper, must have been caused by rays.

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HOPE U UNDERSTAND☺☺