1
MHT CET (PCB) 2025 9th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

Calculate the volume occupied by a particle in simple cubic unit cell if the total volume of unit cell is $4.0 \times 10^{-23} \mathrm{~cm}^3$.

A

$1.5 \times 10^{-23} \mathrm{~cm}^3$

B

$2.9 \times 10^{-23} \mathrm{~cm}^3$

C

$2.1 \times 10^{-23} \mathrm{~cm}^3$

D

$3.7 \times 10^{-23} \mathrm{~cm}^3$

2
MHT CET (PCB) 2025 9th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

In ionic solid, anions are arranged in ccp array and cations occupy all the octahedral voids. What is the formula of ionic compound? [consider $\mathrm{A}=$ cation; $\mathrm{B}=$ anion]

A

$\quad \mathrm{AB}_3$

B

$\mathrm{A}_2 \mathrm{~B}_3$

C

$\quad \mathrm{AB}_4$

D

AB

3
MHT CET (PCB) 2024 22th April Evening Shift
MCQ (Single Correct Answer)
+1
-0
Calculate the volume of bcc unit cell if the radius of an atom in it is 216.5 pm .
A
$1.012 \times 10^{-22} \mathrm{~cm}^3$
B
$1.25 \times 10^{-22} \mathrm{~cm}^3$
C
$2.130 \times 10^{-22} \mathrm{~cm}^3$
D
$2.541 \times 10^{-22} \mathrm{~cm}^3$
4
MHT CET (PCB) 2024 22th April Evening Shift
MCQ (Single Correct Answer)
+1
-0

Calculate the number of atoms in 0.4 gram of metal if it forms fcc structure.

$$ \left[\rho \times \mathrm{a}^3=1.2 \times 10^{-22} \mathrm{~g}\right] $$

A
$\quad 2.516 \times 10^{22}$
B
$1.333 \times 10^{22}$
C
$3.721 \times 10^{22}$
D
$4.905 \times 10^{22}$

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