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

Every crystalline solid has

Question # 2

The ability of the body to return to its original shape is called

Question # 3

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

Question # 4

Tick the one which is not a crystalline solid:

Question # 5

Glass and high carbon steel are the examples of

Question # 6

The smallest three dimensional basic structure is called as:

Question # 7

Each atom in a metal crystal vibrates about a fixed point with an amplitude that:

Question # 8

The size of the domain is such that they can contain

Question # 9

Experiments revealed that the ratio of the stress to the strain is a constant value for

Question # 10

when the deformation produced in the material become permanent, this type of behaviour is called

Question # 11

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

Question # 12

The modulus of elasticity can be written as

Question # 13

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

Question # 14

Above the curie temperature, iron becomes

Question # 15

The crystalline structure of NaCI is

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ECAT Physics Chapter 17 Important MCQ's

Sr.# Question Answer
1 The solids are classified as:
A. Metals
B. Crystalline
C. Amorphous
D. Polymeric
2 An atom in which there is a resultant magnetic field, behaves like a tiny magnet and is called as
A. magnetic
B. magnetic dipole
C. magnetic monopole
D. none of them
3 In the stress-strain graph, stress is increased linearly with strain until a point is reached, this point is known as
A. plastic limit
B. plastic deformation
C. proportional limit
D. elastic behaviour
4 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
5 An ordinary glass gradually softens into a 'paste -like' state before it becomes a very viscous liquid. It happens almost at:
A. 800oC
B. 500oC
C. 300oC
D. 100oC
6 The whole structure obtained by the repetition of unit cells is called:
A. Crystal lattice
B. Amorphous solid
C. Polymeric solid
D. Polysterne
7 In case of the three dimensional deformation, when volume is involved, the ratio of applied stress to volumetric strain is called
A. Young's modulus
B. Bulk modulus
C. Shear modulus
D. all of them
8 The electrons in the outermost shell of an atom are called
A. core electrons
B. valence electrons
C. high energy electrons
D. none of them
9 A unit cell is smallest basic structure which is:
A. One dimensional
B. Two dimensional
C. Three dimensional
D. Four dimensional
10 The substances in which, atom are so oriented that their fields support each other and the atoms behave like tiny magnets, are called
A. diamagnetic substances
B. ferromagnetic substances
C. paramagnetic substances
D. all of them

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  • farooq,khan

    farooq,khan

    17 Oct 2018

    when,stress,apply,change,in,length,called,tensil,stress

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