A) 129800
B) 130000
C) 129600
D) 128000
Correct Answer: C
Solution :
(129600) \[{{n}_{2}}={{n}_{1}}{{\left[ \frac{{{L}_{1}}}{{{L}_{2}}} \right]}^{1}}{{\left[ \frac{{{T}_{1}}}{{{T}_{2}}} \right]}^{-2}}=10{{\left[ \frac{meter}{km} \right]}^{1}}{{\left[ \frac{\sec }{hr} \right]}^{-2}}\] \[{{n}_{2}}=10{{\left[ \frac{m}{{{10}^{3}}m} \right]}^{1}}{{\left[ \frac{\sec }{3600\sec } \right]}^{-2}}=129600\]
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