A) Both (A) and (R) are true and (R) is the correct explanation of
B) Both (A) and (R) are true but (R) is not the correct explanation of
C) Only (A) is true but (R) is not true
D) (A) is not true but (R) is true
Correct Answer: B
Solution :
The probability of finding an electron at a distance (f from the nucleus is as follows Probability \[=4\pi {{r}^{2}}dr.{{\psi }^{2}}\]\[\Rightarrow \]Probability \[\propto {{\psi }^{2}}\] According to de-Broglie, each matter have both wave and particle nature. Therefore subatomic particles also have both the nature. Hence, both (A) and (R) are true but (R) is not the correct explanation of.
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