ECAT Pre Engineering Physics Chapter 17 MCQ Test With Answer

MCQ's Test For Physics ECAT Pre Engineering Chapter 17 Physics of Solid

Try The MCQ's Test For Physics ECAT Pre Engineering Chapter 17 Physics of Solid

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Physics ECAT Pre Engineering Chapter 17 Physics of Solid

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Question # 1

When a silicon crystal is doped with a pentavalent element, such an extrinsic semi-conductor is called

Question # 2

The doped semi-conductor materials are known as

Question # 3

In metallic crystals which of the following thing remains constant

Question # 4

The solids which has structure in-between order and disorder are called

Question # 5

Arsenic, antimony and phosphorus are the elements from

Question # 6

The electrons occupying the conduction band are known as

Question # 7

When a large number of atoms are brought close to one another to form a solid, each energy level of an isolated atom splits into sub-levels, called

Question # 8

The cohesive forces between atoms, molecules or ions in crystalline solids maintain the strict

Question # 9

The units of modulus of elasticity are

Question # 10

In a semi-conductor material, the total current is

Question # 11

The SI unit of stress is

Question # 12

The modulus of elasticity can be written as

Question # 13

The measure of the deformation in a solid when stress is applied to its is called

Question # 14

The materials in which there are plenty of free electrons for electrical conduction are known as

Question # 15

When the shear stress and shear stain are involved, then their ratio is called

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