A) \[-4\times {{10}^{8}}J\]
B) \[-8\times {{10}^{8}}J\]
C) \[8\times {{10}^{8}}J\]
D) \[4\times {{10}^{8}}J\]
Correct Answer: B
Solution :
Binding energy \[{{E}_{B}}=4\times {{10}^{8}}J\] \[\therefore \] PE of satellite \[=-2\,{{E}_{B}}\] \[=-2\times 4\times {{10}^{8}}=-8\times {{10}^{8}}J\]
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