Becquerel rays
(after Antoine H. Becquerel, Fr. physicist– rays emitted by a radioactive substance– used before adoption of terms alpha rays, beta rays and gamma rays) बेकेरेल किरण (पु. अ. व.)
(after Antoine H. Becquerel, Fr. physicist– rays emitted by a radioactive substance– used before adoption of terms alpha rays, beta rays and gamma rays) बेकेरेल किरण (पु. अ. व.)
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