A) 0.8 T
B) 0.25 T
C) 2 T
D) 4 T
Correct Answer: C
Solution :
\[T\propto \frac{1}{\sqrt{g}}\]Þ \[\frac{{{T}_{2}}}{{{T}_{1}}}=\sqrt{\frac{{{g}_{1}}}{{{g}_{2}}}}\]\[=\sqrt{\left( \frac{g}{g/4} \right)}\]Þ \[{{T}_{2}}=2{{T}_{1}}=2T\]
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