Home
Class 11
PHYSICS
An artery in a certain person has been w...

An artery in a certain person has been widened `1(1)/(2)` times the original diameter. If the pressure difference across the artery is maintained constant, the blood flow through the artery will be increased to

A

`3//2 times`

B

`9//4 times`

C

no change

D

`81//16 times`

Text Solution

Verified by Experts

The correct Answer is:
D
`Q=(piPr^(4))/(8etal),Q alpha r^(4)`
Promotional Banner

Topper's Solved these Questions

  • MECHANICAL PROPERTIES OF FLUIDS

    NARAYNA|Exercise EXERCISE - I - (C.W) (TERMINAL VELOCITY & VISCOUS FORCE)|2 Videos

  • MECHANICAL PROPERTIES OF FLUIDS

    NARAYNA|Exercise EXERCISE - I - (C.W) (FORCE DUE TO SURFACE TENSION)|10 Videos

  • MECHANICAL PROPERTIES OF FLUIDS

    NARAYNA|Exercise EXERCISE - I - (C.W) (COEFFICIENTY OF VISCOSITY & VISCOUS FORCE)|2 Videos

  • MATHEMATICAL REVIEW & PHYSICAL WORLD

    NARAYNA|Exercise C.U.Q|13 Videos

  • MECHANICAL PROPERTIES OF SOLIDS

    NARAYNA|Exercise LEVEL-II (H.W)|24 Videos

Similar Questions

Explore conceptually related problems

An artery in a certain person has been widened 1(1)/(2) times the original diamter. If the pressure difference across the artery is maintaned constant, the blood flow through the artery will be increased to

The workdone by pressure in forcing 1m^3 of water through a pipe if the pressure difference across the pipe is 10^4 Pa, is

Water contained in a tank flows through an orifice of a diameter 2 cm under a constant pressure difference of 10 cm of water column. The rate of flow of water through the orifice is

The heat is flowing through two cylinderical rods of same material. The diameters of the rods are in the ratio 1:2 and their lengths are in the ratio 2:1 . If the temperature difference between their ends is the same, the ratio of rates of flow of heat through them will be

Three capillaries of length L, (L)/(2) and (L)/(3) are connected in a series. Their radii are r, (r)/(2) and (r)/(3) respectively. If a streamlined flow is to be maintained and pressure difference across the first capillary is rho , then the pressure difference across the second capillary will be

If the potential difference across the ends of a conductor is i volt and the current flowing through the conductor is 1 ampere,the resistance of the conductor?

1.The ratio of diameters at two poits of a pipe are 2 : 1 then what will be ratio of velocity of liquid flow through there points?

The flow of blood in a large artery of a anesthetized dog is diverted through a venturimeter. The wider part of the meter has a cross-sectional area equal to that of the artery. Ie., 10mm^(2) . The narrower part has an area 5 mm^(2) . The pressure drop in the artery is 22 Pa . Density of the blood pressure drop in the artery is 22Pa . Density of the blood pressure drop in the artery is 22Pa . Density of the blood is 1.06xx10^(3)kgm^(-3) . The speed of the blood in the artery is