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

An ordinary glass gradually softens into a 'paste -like' state before it becomes a very viscous liquid. It happens almost at:

Question # 2

Arsenic, antimony and phosphorus are the elements from

Question # 3

The word amorphous means:

Question # 4

Amorphous solids are also more like

Question # 5

The critical temperature of aluminium is

Question # 6

Tick the one which is not a crystalline solid:

Question # 7

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

Question # 8

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

Question # 9

The number of different crystals systems based on the geometrical arrangement of their atoms and the resultant geometrical structure are

Question # 10

Synthetic materials fall into the category of

Question # 11

The SI unit of strain is

Question # 12

A unit cell is smallest basic structure which is:

Question # 13

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

Question # 14

Polymeric solids have

Question # 15

The units of modulus of elasticity are

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ECAT Physics Chapter 17 Important MCQ's

Sr.# Question Answer
1 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
2 The crystalline structure of NaCI is
A. rectangular
B. hexagonal
C. tetrahedral
D. cubical
3 Which of the following can become a good permanent magnet
A. iron
B. steel
C. both of them
D. none of them
4 Polymers are the chemical combination of carbon with:
A. Nitrogen
B. Oxygen
C. Hydrogen
D. All of these
5 Examples of polymeric substances are:
A. Plastic
B. Synthetic rubbers
C. Zirconia
D. All of these
6 The smallest three dimensional basic structure is called as:
A. An atom
B. Unit cell
C. Crystal lattice
D. Polymer
7 In the phenomenon of hysteresis
A. magnetism leads the magnetising current
B. magnetism lags behind the magnetising current
C. meganetism goes along the magnetising current
D. none of them
8 Semi-conductor elements have atoms with
A. 2 valence electrons
B. 3 valence electrons
C. 4 valence electrons
D. 5 valence electrons
9 The first super conductor was discovered in
A. 1811
B. 1890
C. 1901
D. 1911
10 The critical temperature of mercury is
A. 1.18 K
B. 4.2 K
C. 3.72 K
D. 7.2 K

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  • farooq,khan

    farooq,khan

    17 Oct 2018

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

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