If a metal target is bombarded with electrons which have
If a metal target is bombarded with electrons which have been subjected to a potential difference of 44 kV, the minimum wavelength of the X-rays produced is about?
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a sodium ion with mass 232times10minus26 kg and charge160times10minus19 c is moving with velocity300times105 ms in the
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in general terms why do functional groups impart more chemical reactivity to families that have them why dont the
if a metal target is bombarded with electrons which have been subjected to a potential difference of 44 kv the minimum
which one of the following expressions describes the heat evolved hrxn in a chemical reaction when the reaction is
the density of iron is 7860 kgm3 what is the mass of an ironsphere whose diameter is
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if a helium atom absorbs a photon with a wavelength of 5844 nm one electron will be promoted from the 1s orbital to a
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