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1
MHT CET 2021 23rd September Evening Shift
MCQ (Single Correct Answer)
+1
-0

Edge length of unit cell of BCC structure is 352 pm. What is radius of the atom?

A
176.3 pm
B
304.8 pm
C
152.4 pm
D
252.4 pm
2
MHT CET 2021 23rd September Evening Shift
MCQ (Single Correct Answer)
+1
-0

For simple cubic crystal edge length is expressed as

A
$$a=2 \mathrm{r}$$
B
$$a=\frac{r}{2}$$
C
$$a=\sqrt{2} \mathrm{r}$$
D
$$\mathrm{a}=\frac{\mathrm{r}}{\sqrt{2}}$$
3
MHT CET 2021 23rd September Evening Shift
MCQ (Single Correct Answer)
+1
-0

An element is found to crystallize with $$\mathrm{BCC}$$ structure having density $$8.55 \mathrm{~g} \mathrm{~cm}^{-3}$$. What is the edge length of unit cell? (At. mass of element $$=93$$)

A
$$\left(3.61 \times 10^{-23}\right)^{1 / 3} \mathrm{~cm}$$
B
$$\left(3.91 \times 10^{-20}\right)^{1 / 3} \mathrm{~cm}$$
C
$$\left(3.01 \times 10^{-24}\right)^{1 / 3} \mathrm{~cm}$$
D
$$\left(3.30 \times 10^{-20}\right)^{1 / 3} \mathrm{~cm}$$
4
MHT CET 2021 23th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

How many particles per unit cell are present in $$\mathrm{BCC}$$ structure?

A
1
B
4
C
3
D
2
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