What is meant by the rest mass energy of an electron?

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i want give drug inspector exam ,, how i appear in this & now i am going to complete b.pharma.. also send me some coaching sites....& full syllabus information for drug inspector also any experience required for it& how much it ... which exams prefer upsc or states public service comission exam

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Name any two elementary particles which have almost infinite life time.

1 Answers   Shivam,

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Cadmium rods are provided in a nuclear reactor.Why?

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in the caase of transmission of data of OFC, the data will be carried by light energy, how the light energy is created? whether it s created by broad band connector or subscriber itself?

0 Answers   DNS, JB, LG,

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CAN WE HAVE THE ARRANGEMENT OF QUARKS OF PROTON 'UP,DOWN,UP' INSTEAD OF 'UP,UP,DOWN'?

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Explain the difference between cathode ray and beta ray?

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Explain history of nuclear reaction?

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What is Fission and Fusion?

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Tell me how asteroids are formed?

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what are the fission product of pu 239

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What does held nucleons together in a nucleus?

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