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1
MHT CET 2021 21th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

What is the volume of unit cell of a metal (at. mass $$25 \mathrm{~g} \mathrm{~mol}^{-1}$$ ) having $$\mathrm{BCC}$$ structure and density $$3 \mathrm{~g} \mathrm{~cm}^{-3}$$ ?

A
$$3.64 \times 10^{-23} \mathrm{~cm}^3$$
B
$$1.56 \times 10^{-24} \mathrm{~cm}^3$$
C
$$2.76 \times 10^{-23} \mathrm{~cm}^3$$
D
$$1.88 \times 10^{-24} \mathrm{~cm}^3$$
2
MHT CET 2021 20th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which from following instruments is used to determine the crystal structure?

A
Scanning electron microscope
B
FTIR spectrophotometer
C
X-ray diffractometer
D
Transmission electron microscope
3
MHT CET 2021 20th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

How many total voids are present in 1 mole of compound that forms hcp structure?

A
$$1.806\times10^{24}$$
B
$$1.204\times10^{24}$$
C
$$3.011\times10^{23}$$
D
$$6.022\times10^{23}$$
4
MHT CET 2021 20th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

What is the total number of Bravais lattices present in seven types of crystal system?

A
12
B
7
C
10
D
14
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