What is the nucleus of an atom?
- A$A$ small,positively charged region at the center of an atom.
- B$A$ region containing only electrons.
- CThe outer shell of an atom.
- D$A$ region of empty space surrounding the atom.
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Similar Questions
The ratio of the volume of an $Al^{27}$ nucleus to its surface area is (Given,$R_0 = 1.2 \times 10^{-15} \ m$):
Two deuterons are moving towards each other with the same speed. If the distance of closest approach is $2 \, fm$,what should be their initial kinetic energy in $MeV$?
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View SolutionThe strongest force in nature is
Given below are two statements $:$ one is labelled as Assertion $(A)$ and other is labelled as Reason $(R).$
Assertion $(A) :$ Neutrons penetrate matter more readily as compared to protons.
Reason $(R) :$ Neutrons are slightly more massive than protons.
Assertion $(A) :$ Neutrons penetrate matter more readily as compared to protons.
Reason $(R) :$ Neutrons are slightly more massive than protons.
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View SolutionThe volume of a nucleus is directly proportional to
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