MEDIUM
JEE Main
IMPORTANT
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What is the packing efficiency of the two-dimensional square unit cell shown below?

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Important Questions on Solid State

HARD
JEE Main
IMPORTANT
Xenon crystallises in the face-centred cubic lattice and the edge of the unit cell is 620 pm. What is the nearest neighbour distance and what is the radius of Xenon atom?
HARD
JEE Main
IMPORTANT
Calculate the approximate number of unit cells present in 1 g of gold. Given that gold crystallizes in the face-centred cubic lattice (Atomic mass of gold =197 u).
EASY
JEE Main
IMPORTANT
The intermetallic compound LiAg has a cubic crystalline structure in which each Li atom has eight nearest neighbor silver atoms and vice-versa. What is the type of unit cell?
MEDIUM
JEE Main
IMPORTANT
A compound alloy of gold and Cu crystallizes in a cubic lattice in which the gold atoms occupy the lattice points at the corners of a cube and the copper atoms occupy the centres of each of the cube faces. What is the empirical formula of this compound?
EASY
JEE Main
IMPORTANT
How many 'nearest' and 'next nearest' neighbors respectively potassium has in BCC lattice?
HARD
JEE Main
IMPORTANT
The ratio of packing density in FCC, BCC and simple cubic structure is respectively.
MEDIUM
JEE Main
IMPORTANT
Sodium metal crystallizes in a body-centred cubic lattice with the cell a=4.29. The radius (in ) of sodium atom is
EASY
JEE Main
IMPORTANT

Which of the following shaded plane in FCC lattice contains arrangement of atoms as shown below?

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