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1
MHT CET 2024 15th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Unit cell of an element has edge length of 5$$\mathop A\limits^o $$ with density $4 \mathrm{~g} \mathrm{~cm}^{-3}$, if its atomic mass is 149, identify the crystal structure.

A
Simple cubic close packed
B
Body centred cubic
C
Face centred cubic
D
Hexagonal close packed
2
MHT CET 2024 15th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

What is the volume of one particle in BCC structure if ' $a$ ' is edge length?

A
$\frac{\pi \mathrm{a}^3}{3 \sqrt{2}}$
B
$\frac{\pi \mathrm{a}^3}{12 \sqrt{2}}$
C
$\frac{\sqrt{3} \pi \mathrm{a}^3}{16}$
D
$\frac{\sqrt{3} \pi \mathrm{a}^3}{8}$
3
MHT CET 2024 15th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Calculate the total volume occupied by all atoms in simple cubic unit cell if radius of atom is $3 \times 10^{-8} \mathrm{~cm}$.

A
$1.13 \times 10^{-22} \mathrm{~cm}^3$
B
$2.25 \times 10^{-22} \mathrm{~cm}^3$
C
$3.15 \times 10^{-22} \mathrm{~cm}^3$
D
$4.37 \times 10^{-22} \mathrm{~cm}^3$
4
MHT CET 2024 15th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

A compound is formed by two elements A and B. The atoms of element B form ccp structure. The atoms of A occupy $\frac{1}{3}$ of tetrahedral voids. What is the formula of the compound?

A
$ {A}_2{B}_3$
B
$\mathrm{AB}$
C
$\mathrm{AB}_2$
D
$\mathrm{AB}_3$
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