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Question: Answered & Verified by Expert
The number of lattice points in an end-centred unit cell are:
ChemistrySolid StateJEE Main
Options:
  • A \( 8 \)
  • B \( 9 \)
  • C \( 10 \)
  • D \( 12 \)
Solution:
1103 Upvotes Verified Answer
The correct answer is: \( 10 \)

A total of ten lattice points are there in an end-centred unit cell:
(a) Eight corners, and
(b) Centres of any two opposite faces.

The shematic representation of lattice points in end-centred unit cell is shown below:

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