A) \[\frac{5}{10}\]
B) \[\frac{2}{1}\]
C) \[\frac{8}{9}\]
D) \[\frac{9}{8}\]
Correct Answer: C
Solution :
\[\frac{{{g}_{d1}}}{{{g}_{d2}}}=\frac{1-\frac{{{d}_{1}}}{R}}{1-\frac{{{d}_{2}}}{R}}=\frac{R-{{d}_{1}}}{R-{{d}_{2}}}=\frac{\frac{4R}{5}}{\frac{9R}{10}}=\frac{40}{45}=\frac{8}{9}\]You need to login to perform this action.
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