Semiconductor Devices Test

Result

Semiconductor Devices Test - 81

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Weekly Quiz Competition

Question 1
4 / -1

The coordination number of Cu is

A
1

B
6

C
8

D
12

Solution
Question 2
4 / -1

Which one of the following is the weakest kind of bonding in solids?

A
Ionic

B
Metallic

C
Van der Waal's

D
Covalent
Question 3
4 / -1

If the lattice parameter for a crystalline structure is 3.6A, then the atomic radius in fcc crystal is

A
2.92 Å

B
1.27 Å

C
1.81 Å

D
2.10 Å

Solution
Question 4
4 / -1

What is the coordination number of sodium ions in the case of sodium chloride structure?

A
6

B
8

C
4

D
12

Solution
Question 5
4 / -1

The distance between the body centered atom and a corner atom in sodium (a = 4.225 Å) is

A
3.66 Å

B
3.17 Å

C
2.99 Å

D
2.54 Å

Solution
Question 6
4 / -1

The laptop PC\'s modern electronic watches and calculators use the following for display

A
Single crystal

B
Poly crystal

C
Liquid crystal

D
Semiconductors
Question 7
4 / -1

What is the net force on a Cl^– placed at the centre of the bcc structure of CsCl?

A
Zero

B

C

D
Data is incomplete
Question 8
4 / -1

Sodium has body centered packing. If the distance between two nearest atoms is 3.7 Å, then its latticeparameter is

A
4.8 Å

B
4.3 Å

C
3.9 Å

D
3.3 Å

Solution
Question 9
4 / -1

Which of the following is an amorphous solid

A
Glass

B
Diamond

C
Salt

D
Sugar
Question 10
4 / -1

Copper has face centered cubic .(fcc) lattice with interatomic spacing equal to 2.54 Å. The value of thelattice constant for this lattice is

A
1.27 Å

B
5.08 Å

C
2.54 Å

D
3.59 Å

Solution