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Fem shield is a...

Fem shield is a

A

Barrier contraceptive

B

chemical contraceptive

C

Emergency contraceptive

D

Injectable contraceptive

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Knowledge Check

  • The compound that is used in nuclear industry as protective shields and control rods is

    A
    metal carbonates
    B
    metal chlorides
    C
    metal oxides
    D
    metal borides

  • Essential difference between electrosatic shielding by a conducting shall and magnetostatic shielding is due to

    A
    electrostatic field lines can end on charges and conductors have free charges
    B
    lines of `vecB` can also end but conductors can not end them
    C
    lines of `vecB` can not end on any material and perfect shielding is not possible.
    D
    shells of high permeability materials can be used to divert lines of `vecB` from the interior region

  • Which of the following is not showing the essential difference between electrostatic shielding by a conducting shell and magnetostatic shielding?

    A
    Electrostatic field lines can end on charges and conductors have free charges.
    B
    Magnetic field lines can end but conductors cannot end them.
    C
    Lines of magnetic field cannot end on any material and perfect shielding is not possible.
    D
    Shells of high permeability materials can be used to divert lines of magnetic field from the interior region.

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    Single shield shaped cotyledon of grass is known as:-

    Which of the following is used as protective shields in nuclear industries?

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