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 crystalline solids are:

Question # 2

The substance in which atoms cooperate with each other in such a way so as to exhibit a strong magnetic effect, are called

Question # 3

Amorphous solids are also more like

Question # 4

The doped semi-conductor materials are known as

Question # 5

Within each domain, the magnetic field of all the spinning electrons are

Question # 6

Crystalline solids are in the form of:

Question # 7

When a stress changes the shape, it is called the

Question # 8

In case of the three dimensional deformation, when volume is involved, the ratio of applied stress to volumetric strain is called

Question # 9

The modulus of elasticity can be written as

Question # 10

Which of the following theory completely explain the three types of materials

Question # 11

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

Question # 12

Recent studies of ferromagnetism have shown that there exists in ferromagnetic substances small regions called

Question # 13

The neighbours of every molecule in crystalline solids are arranged in

Question # 14

The valence band of an atom in a solid

Question # 15

Recently a complex crystalline structure known as Yetrium Barium Copper Oxide have been reported to become superconductor at

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ECAT Physics Chapter 17 Important MCQ's

Sr.# Question Answer
1 The domains are of macroscopic size of the order of
A. centimeters
B. meters
C. millimeters
D. nanomneters
2 Above the curie temperature, iron becomes
A. ferromagnetic
B. paramagnetic
C. diamagnetic
D. any one of them
3 Which of the following can become a good temporarily magnet
A. iron
B. steel
C. both of them
D. none of them
4 The critical temperature of tin is
A. 1.18 K
B. 4.2 K
C. 3.72 K
D. 7.2 K
5 The magnetism produced by electrons within an atom can arise from
A. electrons orbiting the nucleus
B. electrons posses a spin
C. both motions
D. none of these motions
6 The ratio of shearing stress/shearing strain is called as
A. Modulus
B. Pascal modulus
C. Hooker's modulus
D. Shear modulus
7 The units of modulus of elasticity are
A. Nm-2
B. Nm
C. ms-1
D. Pascal
8 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
9 If the stress increased beyond the elastic limit of the material. the deformation produced in the material will be
A. permanent
B. temporary
C. either of them
D. none of them
10 Recently a complex crystalline structure known as Yetrium Barium Copper Oxide have been reported to become superconductor at
A. 125 K
B. 25 K
C. 263 K
D. 163 K

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