The individual molecules have non-zero magnetic moment which are all perfectly aligned
Domains are partially aligned
Domains are all perfectly aligned
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A permanent magnet at room temperature retains a ferromagnetic property that possesses a dipole moment. And domains are partially aligned due to thermal agitation.
The correct option is C.
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In a permanent magnet at room temperature,
(a) The magnetic moment of each molecule is zero (b) The individual molecules have a non-zero magnetic moment which is all perfectly aligned (c) Domains are partially aligned (d) Domains are all perfectly aligned
Each of the following options contains a set of four molecules, identify the option(s) where all four molecules possess a permanent dipole moment at room temperature.
[Assertion]:- All molecules with polar bond have non-zero dipole moments
[Reason]:- Dipole moment is a vector quantity
Each of the following options contains a set of few molecules, Identify the option(s) where all the molecules possess permanent dipole moment at room temperature.
All natural magnets are
(a) permanent magnets
(b) temporary magnets
(c) weak magnets
(d) all of these