H.इकाई लिखो अणु परमाणु का माप और विद्युत प्रवाह
please jaldi answer Hindi mein
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The dalton or unified atomic mass unit (symbols: Da or u) is a unit of mass widely used in physics and chemistry. It is defined as 1⁄12 of the mass of an unbound neutral atom of carbon-12 in its nuclear and electronic ground state and at rest.
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