1.

Two satellites of masses \[{{m}_{1}}\] and \[{{m}_{2}}({{m}_{1}}>{{m}_{2}})\] are revolving round the earth in circular orbits of radius \[{{r}_{1}}\] and \[{{r}_{2}}({{r}_{1}}>{{r}_{2}})\] respectively. Which of the following statements is true regarding their speeds \[{{v}_{1}}\] and \[{{v}_{2}}\] ? [NCERT 1984; MNR 1995; BHU 1998]

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» C.             \[{{v}_{1}}>{{v}_{2}}\]    


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