Question

If p is the density and η is coefficient of viscosity of fluid which flows with a speed v in the pipe of diameter d, the correct formula for Reynolds number R_e is ______.

Options

• `"R"_"e" = (η"d")/(rho"ν")`

• `"R"_"e" = (rho"ν")/(η"d")`

• `"R"_"e" = (rho"νd")/η`

• `"R"_"e" = η/(rho"νd")`

Answer 1

If p is the density and η is coefficient of viscosity of fluid which flows with a speed v in the pipe of diameter d, the correct formula for Reynolds number R_e is `underlinebb("R"_"e" = (rho"νd")/η)`.

Explanation:

Reynolds number is given as `"R"_"e" = (rho"νd")/η`