Two solid spherical balls A and B of density 10 {\g} \/ {\cm}^3 have radius of 30 {\mm} and 55 {\mm} respectively. Ball {\A} is dropped in a liquid of density 0.75 {\g} \/ {\cm}^3 and viscosity \eta=1.5 and ball {\B} is dropped in another liquid of density 1.2 {\g} \/ {\cm}^3 and viscosity \\eta=2\cdot 2. The terminal velocity of ball A is \\alpha times that of ball B. The value of \\alpha is

TS EAMCET Medical 30 Jul 2022 Shift 2 Paper

Question : 95 of 160

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Two solid spherical balls A and B of density 10g∕cm3 have radius of 30‌mm and 55‌mm respectively. Ball A is dropped in a liquid of density 0.75g∕cm3 and viscosity η=1.5 and ball B is dropped in another liquid of density 1.2g∕cm3 and viscosity η=2⋅2. The terminal velocity of ball A is α times that of ball B. The value of α is

0.46
0.36
0.26
0.56

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