1.

Two satellite are revolving around the earth with velocities \[{{v}_{1}}\]and \[{{v}_{2}}\] and in radii \[{{r}_{1}}\] and \[{{r}_{2}}({{r}_{1}}>{{r}_{2}})\]respectively. Then [BHU 2005]

A.             \[{{v}_{1}}={{v}_{2}}\]    
B.             \[{{v}_{1}}>{{v}_{2}}\]
C.             \[{{v}_{1}}<{{v}_{2}}\]    
D.             \[\frac{{{v}_{1}}}{{{r}_{1}}}=\frac{{{v}_{2}}}{{{r}_{2}}}\]
Answer» D.             \[\frac{{{v}_{1}}}{{{r}_{1}}}=\frac{{{v}_{2}}}{{{r}_{2}}}\]


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