Select the incorrect statement. (a) Crystal lattice is the regular ...

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Select the incorrect statement.
(a) Crystal lattice is the regular three dimensional arrangement of constituents in space
(b) There are 7 crystal systems and 14 Bravais lattices
(c) Unit cell is the smallest repeating unit of the crystal lattice
(d) A unit cell is characterised by two parameters a bond angle and a bond length
\( \mathrm{P} \)
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