60. Two capillary of length L and 2L and of radius R and 2R are connected in series. The net rate of flow of fluid through them will be
(given rate of the flow through single capillary, X=(Π PR4)/ηL
(a) (8/9)X (b) (9/8)X
(c) (5/7)X (d) (7/5)X
Answer-a
(13)
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(a) – 5 J (b) – 10 J (c) – 15 J (d) – 20 J Answer-a (123)