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Volume of a hollow Cylinder...

Volume of a hollow Cylinder

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Volume of hollow cylinder

The length of the outer and inner radii of surface of a hollow cylinder is 5cm and 4cm. If the total surface area of 1188sq.cm. Find the height of the cylinder.

Knowledge Check

  • The external and internal diameters of a hollow cylinder are measured to be (4.23+-0.01) cm and (3.89+-0.01) cm. The thickne of the wall of the cylinder is

    A
    `(0.34+-0.02)cm`
    B
    `(0.17+-0.02)cm`
    C
    `(0.17+-0.01)cm`
    D
    `(0.34+-0.01)cm`

  • Moment of inertia of a hollow cylinder of mass M and radius R , about the axis of cylinder is

    A
    `(1)/(2)MR^(2)`
    B
    `MR^(2)`
    C
    `(2)/(3)MR^(2)`
    D
    `(2)/(5)MR^(2)`

  • Which of false in case of a hollow cylinder. Write the correct answer.

    A
    cuved surfacea area of a hollow cylinder`=2pih(R+r)`
    B
    Total surface area of a hollow cyloinder `2pi(R+r)(h+R+r)`
    C
    Inner cuved surface area of a hollow cylinder `=2pih(R-r)`
    D
    Area of each end of a hollow cylinder `=pi(R^(2)-r^(2))`

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