A) 1 : 4
B) 4 : 1
C) 2 : 1
D) 1 : 2
Correct Answer: D
Solution :
\[P\propto \frac{1}{r}\] Hence, \[\frac{{{P}_{1}}}{{{P}_{2}}}=\frac{{{r}_{2}}}{{{r}_{1}}}=\frac{1}{2}\] \[{{P}_{1}}:{{P}_{2}}=1:2\]You need to login to perform this action.
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