A) \[101.73\times {{10}^{-4}}dyne\]
B) \[101.73\times {{10}^{-5}}dyne\]
C) \[16.95\times {{10}^{-5}}dyne\]
D) \[16.95\times {{10}^{-4}}dyne\]
Correct Answer: A
Solution :
[a] Viscous force\[=6\pi \eta rv\] \[=6\pi \times 18\times {{10}^{-5}}\times 0.03\times 100\] \[=101.73\times {{10}^{-4}}dyne\]
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