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Question: The order of the size of nucleus and Bohr radius of an atom respectively are....

The order of the size of nucleus and Bohr radius of an atom respectively are.

A

10−14m, 6mu10−10m10^{- 14}m,\mspace{6mu} 10^{- 10}m

B

10−10m,10−8m10^{- 10}m,10^{- 8}m

C

10−20m, 6mu10−16m10^{- 20}m,\mspace{6mu} 10^{- 16}m

D

10−8m,10−6m10^{- 8}m,10^{- 6}m

Answer

10−14m, 6mu10−10m10^{- 14}m,\mspace{6mu} 10^{- 10}m

Explanation

Solution

Diameter of nucleus is of the order of 10–14m and radius of first Bohr orbit of hydrogen atom

r=0.53×10−10m.r = 0.53 \times 10^{- 10}m.