ECAT Pre Computer Science Chapter 17 MCQ Test With Answer

MCQ's Test For ECAT Physics Chapter 17 Physics of Solids

Try The MCQ's Test For ECAT Physics Chapter 17 Physics of Solids

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ECAT Physics Chapter 17 Physics of Solids

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Question # 1

Examples of polymeric substances are:

Question # 2

In the stress-strain graph, stress is increased linearly with strain until a point is reached, this point is known as

Question # 3

The force which maintain the strict long-range order between atoms of a crystalline solid is the:

Question # 4

The materials in which valence electrons are bound very tightly to their atoms and are not free, are known as

Question # 5

The ratio of shearing stress/shearing strain is called as

Question # 6

The neighbours of every molecule in crystalline solids are arranged in

Question # 7

When a silicon crystal is doped with a pentavalent element, then the atom of the pentavalent element is known as

Question # 8

The size of the domain is such that they can contain

Question # 9

The maximum stress that a material can withstand, is known as

Question # 10

The amplitude of oscillation of each atom in a metallic crystal rises with the

Question # 11

Amorphous solids are also more like

Question # 12

The substances in which, atom are so oriented that their fields support each other and the atoms behave like tiny magnets, are called

Question # 13

Which of the following can become a good permanent magnet

Question # 14

Under the elastic region, the deformation produced in the material, the deformation produced in the material will be

Question # 15

The arrangement or molecules or atoms in a crystalline solid can be studied by using:

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ECAT Physics Chapter 17 Important MCQ's

Sr.# Question Answer
1 Under the elastic region, the deformation produced in the material, the deformation produced in the material will be
A. permanent
B. temporary
C. either of them
D. none of them
2 The solids are classified as:
A. Metals
B. Crystalline
C. Amorphous
D. Polymeric
3 The modulus of elasticity can be written as
A. stress x strain
B. strain/stress
C. 1/2 x stress x strain
D. stress/strain
4 On heating, glass gradually softens into a paste like before it becomes a very viscous liquid at almost
A. 600°C
B. 7600°C
C. 800°C
D. 900°C
5 The cohesive forces between atoms, molecules or ions in crystalline solids maintain the strict
A. short range order
B. long range order
C. both of them
D. none of them
6 when the deformation produced in the material become permanent, this type of behaviour is called
A. proportionality
B. elasticity
C. plasticity
D. none of them
7 The whole structure obtained by the repetition of unit cells is called:
A. Crystal lattice
B. Amorphous solid
C. Polymeric solid
D. Polysterne
8 When a stress changes the shape, it is called the
A. compressional stress
B. tensile stress
C. shear stress
D. any one of them
9 Above the curie temperature, iron becomes
A. ferromagnetic
B. paramagnetic
C. diamagnetic
D. any one of them
10 Within each domain, the magnetic field of all the spinning electrons are
A. parallel
B. antiparallel
C. perpendicular
D. all of them

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