Q30 of 149 Page 192

Give the evidence for the existence of nucleus in an atom.

In Rutherford's scattering experiment the deflection of fast moving particles through small and large angles is the evidence for the presence of nucleus in an atom.


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28

What is an electron? State its relative mass and charge.

 29

What is the absolute mass and charge of an electron?

 31

What important information is furnished about the nucleus of an atom by the alpha particle scattering experiment of Rutherford?

 32

How was it shown that an atom has a lot of empty space within it?