A)
B)
C)
D) Both and
Correct Answer: D
Solution :
[d] Radius of \[{{n}^{th}}\] orbit, graph \[{{r}_{n}}\propto {{n}^{2}}\] between \[{{r}_{n}}\]and n is a parabola. Also, \[\frac{{{r}_{n}}}{{{r}_{1}}}={{\left( \frac{n}{1} \right)}^{2}}\Rightarrow {{\log }_{e}}\left( \frac{{{r}_{n}}}{{{r}_{1}}} \right)=2{{\log }_{e}}\left( n \right)\] Comparing this equation with \[y=mx+c\] Graph between \[{{\log }_{e}}\left( \frac{{{r}_{n}}}{{{r}_{1}}} \right)\] and \[{{\log }_{e}}(n)\] will be a straight line, passing from origin. Similarly it can be proved that graph between \[{{\log }_{e}}\left( \frac{{{f}_{n}}}{{{f}_{1}}} \right)\] and \[{{\log }_{e}}n\] is a straight line. But with negative slops.You need to login to perform this action.
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