1
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
2
MHT CET 2021 23th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

An element with BCC structure has edge length of $$500 \mathrm{~pm}$$. If it's density is $$4 \mathrm{~g} \mathrm{~cm}^{-3}$$, find atomic mass of the element?

A
$$150 \mathrm{~g} \mathrm{~mol}^{-1}$$
B
$$100 \mathrm{~g} \mathrm{~mol}^{-1}$$
C
$$125 \mathrm{~g} \mathrm{~mol}^{-1}$$
D
$$250 \mathrm{~g} \mathrm{~mol}^{-1}$$
3
MHT CET 2021 23th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

What is the atomic radius of polonium if it crystallises in a simple cubic structure with edge length of unit cell $$336 \mathrm{~pm}$$ ?

A
84 pm
B
168 pm
C
234 pm
D
336 pm
4
MHT CET 2021 22th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

Identify the type of unit cell that has particles at the centre of each face in addition to the particles at eight corners of a cube?

A
Face centred cubic unit cell
B
Hexagonal unit cell
C
Simple cubic unit cell
D
Body centred cubic unit cell
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