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Q.

The radius of the atom is of the order of

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a

10–8 cm

b

10–13 cm

c

10–10 cm

d

10–15 cm

answer is C.

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Detailed Solution

In alpha perticle experiment ,As only a few particles deviated, it was concluded that the positively charged region was very small as compared to the atom that is the positive charge of the atom is concentrated in a very small space called “The Nucleus”. The order of diameter of a nucleus is 10-15 m and that of an atom is about 10-10m.

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