1
MHT CET 2024 2nd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Calculate the number of unit cells in 10.8 g metal $\left(\varrho a^3=7.2 \times 10^{-22} \mathrm{~g}\right)$

A
$1.5 \times 10^{22}$
B
$3.0 \times 10^{22}$
C
$4.5 \times 10^{22}$
D
$6.0 \times 10^{22}$
2
MHT CET 2024 2nd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

What is the total number of particles present in bcc unit cell?

A
1
B
2
C
3
D
4
3
MHT CET 2024 2nd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Calculate the volume of unit cell of an element having molar mass $27 \mathrm{~g} \mathrm{~mol}^{-1}$ that forms fcc unit cell. $\left[\rho . \mathrm{N}_{\mathrm{A}}=16.0 \times 10^{23} \mathrm{~g} \mathrm{~cm}^{-3} \mathrm{~mol}^{-1}\right]$

A
$7.50 \times 10^{-23} \mathrm{~cm}^3$
B
$6.75 \times 10^{-23} \mathrm{~cm}^3$
C
$5.75 \times 10^{-23} \mathrm{~cm}^3$
D
$8.25 \times 10^{-23} \mathrm{~cm}^3$
4
MHT CET 2024 2nd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Calculate the edge length of fcc unit cell if radius of metal atom is 139 pm .

A
$2.78 \times 10^{-8} \mathrm{~cm}$
B
$3.21 \times 10^{-8} \mathrm{~cm}$
C
$3.93 \times 10^{-8} \mathrm{~cm}$
D
$6.95 \times 10^{-8} \mathrm{~cm}$
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