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1
MHT CET 2021 21th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

What is the total number of atoms in BCC crystal lattice having $$1.8 \times 10^{20}$$ unit cells?

A
$$9.0 \times 10^{20}$$
B
$$1.8 \times 10^{20}$$
C
$$3.6 \times 10^{20}$$
D
$$7.2 \times 10^{20}$$
2
MHT CET 2021 21th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

What is the percentage of unoccupied volume in BCC structure?

A
32%
B
74%
C
26%
D
68%
3
MHT CET 2021 21th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

What is the density of an element (At mass 100 g mol$$^{-1}$$) having BCC structure with edge length 400 pm?

A
3.2 g cm$$^{-3}$$
B
8.2 g cm$$^{-3}$$
C
5.18 g cm$$^{-3}$$
D
4.8 g cm$$^{-3}$$
4
MHT CET 2021 21th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

What is the percentage efficiency of packing in BCC structure?

A
32%
B
74%
C
26%
D
68%
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