Question

i) The relation between SI unit and CGS unit of coefficient of viscosity is

Answer 1

Explanation:

c.g.s unit of η =poisue

S.I. Unit of η = poiseuille or deca poise 

1 poise = 1 g cm^-1s^–2

= 10^–1 kg m^–1 s^–1

  = 1/10poiseuille

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Answer 2

Answer:

u answered my question a while ago .

Explanation:

Area of T / Area of S = r²/r²

Area if T / Area if S = d/2 ÷ d/2

= (1.5/2)² ÷ (3/2)²

= 2.25/4 ÷ 9/4

=0.5625 ÷ 2.25

= 1 ÷ 4

Ur answer was also correct but I believe u didnt use diameter and instead used length . correct me if I have solved this question wrong.