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

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

Question # 2

A unit cell is smallest basic structure which is:

Question # 3

A semi-conductor in its extremely pure form is known as

Question # 4

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

Question # 5

The charged nucleus of an atom itself spins its magnetic field

Question # 6

An atom in which there is a resultant magnetic field, behaves like a tiny magnet and is called as

Question # 7

The magnetism produced by electrons within an atom can arise from

Question # 8

When a stress changes the shape, it is called the

Question # 9

The ratio of linear stress/linear strain is called as

Question # 10

The conduction band in a solid

Question # 11

A structure of polymeric solid is:

Question # 12

The solids are classified as:

Question # 13

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 # 14

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

Question # 15

The SI unit of strain is

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ECAT Physics Chapter 17 Important MCQ's

Sr.# Question Answer
1 Amorphous solids are also called as
A. crystalline solids
B. polymeric solids
C. glassy solids
D. any one of them
2 Glass and high carbon steel are the examples of
A. brittle substances
B. ductile substances
C. plastic substances
D. elastic substances
3 Electrons of an isolated atom are bound to the nucleus, and
A. can only have distinct energy level
B. can only have same energy level
C. may or may not have distinct energy levels
D. none of these
4 There is a regular arrangement of molecules in a
A. amorphous solids
B. polymeric solids
C. crystalline solids
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 first super conductor was discovered in
A. 1811
B. 1890
C. 1901
D. 1911
7 The solids are classified as:
A. Metals
B. Crystalline
C. Amorphous
D. Polymeric
8 The pattern of NaCl particles have a shape which is :
A. Cubic
B. Body centred cubic
C. Simple cubic
D. face centred
9 The word amorphous means:
A. Without any structure
B. With definite structure
C. Regular arrangement of molecules
D. Both (B) and (C)
10 The vast majority of solids are in the form of
A. amorphous structure
B. polymeric structure
C. crystalline structure
D. all of them

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