General Science- radioactive Padarth Utsarjit Karta Hai ?

Q.11066: रेडियोधर्मी पदार्थ उत्सर्जित करता है ?
A
B
C
D
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रेडियोधर्मी पदार्थ उत्सर्जित करता है ? - Does the radioactive material emit? - radioactive Padarth Utsarjit Karta Hai ? General Science in hindi,   Beeta Kann question answers in hindi pdf  Gama Kann questions in hindi, Know About Alpha Kann General Science online test General Science notes in hindi quiz book    Inme Se Sabhi