rate of flow of volume through a tube is Q when pressure Pis maintained. if pressure difference across the ends of tube become half and radius of tube also become half then calculate volume flow rate through new tube
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Answer:
Theflowthroughthepipeisgivenby,
Q=
8ηL
ΔPπR
4
NowR
‵
=
2
R
,L
‵
=2L
KeepingallotherfactorsconstantandsubstitutingforRandL,
Q
‵
=
8η
ΔPπ
(
2L
16
R
4
)
Q
‵
=
8η
ΔPπ
(
32L
R
4
)
Q
‵
=
8ηL
ΔPπR
4
×
32
1
∵Q
‵
=
32
Q
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