A) \[0.2{{R}_{e}}\]
B) \[2{{R}_{e}}\]
C) \[0.5{{R}_{e}}\]
D) Zero
E) \[5{{R}_{e}}\]
Correct Answer: E
Solution :
Maximum range \[{{R}_{\max }}=\frac{{{u}^{2}}}{g}\Rightarrow {{R}_{\max }}\propto \frac{1}{g}\] \[\therefore \] \[\frac{R{{}_{\max }}}{{{R}_{\max }}}=\frac{{{g}_{e}}}{{{g}_{m}}}=\frac{{{g}_{e}}}{0.2\,{{g}_{e}}}\] \[\Rightarrow \] \[R_{\max }^{}=5{{R}_{e}}\]
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