1
MHT CET 2023 14th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Calculate the edge length of bcc unit cell if radius of metal atom is $$227 \mathrm{~pm}$$.

A
$$4.54 \times 10^{-8} \mathrm{~cm}$$
B
$$5.24 \times 10^{-8} \mathrm{~cm}$$
C
$$6.42 \times 10^{-8} \mathrm{~cm}$$
D
$$1.135 \times 10^{-8} \mathrm{~cm}$$
2
MHT CET 2023 14th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which from following is an example of two dimensional nanostructures?

A
Nanoparticles
B
Thin films
C
Quantum dots
D
Nanowires
3
MHT CET 2023 14th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which from following combinations is an example for construction of n-type semiconductor?

A
Si doped with B
B
Si doped with $$\mathrm{P}$$
C
Si doped with $$\mathrm{Ga}$$
D
Si doped with In
4
MHT CET 2023 14th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Calculate the density of metal having molar mass $$210 \mathrm{~g} \mathrm{~mol}^{-1}$$ that forms simple cubic unit cell. $$\left(\mathrm{a}^3 \cdot \mathrm{N}_{\mathrm{A}}=21.5 \mathrm{~cm}^3 \mathrm{~mol}^{-1}\right)$$

A
$$9.77 \mathrm{~g} \mathrm{~cm}^{-3}$$
B
$$7.15 \mathrm{~g} \mathrm{~cm}^{-3}$$
C
$$8.12 \mathrm{~g} \mathrm{~cm}^{-3}$$
D
$$6.94 \mathrm{~g} \mathrm{~cm}^{-3}$$
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Graduate Aptitude Test in Engineering
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