Question # 1

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

Choose an answer

plastic point

elastic limit

yield point

ultimate tensile strength

Amorphous solids are also called as

Choose an answer

crystalline solids

polymeric solids

glassy solids

any one of them

Examples of polymeric substances are:

Choose an answer

Plastic

Synthetic rubbers

Zirconia

All of these

Both (A) and (B)

Glass is an example of

Choose an answer

crystalline solid

amorphous solid

polymeric solid

none of them

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

Choose an answer

tiny regions

domains

vectors

none of them

The molecules or ions in a crystalline solids are

Choose an answer

static

not static

randomly moving

all of them

The pattern of NaCl particles have a shape which is :

Choose an answer

Cubic

Body centred cubic

Simple cubic

face centred

Both (A) and (C)

In a semi-conductor material, the total current is

Choose an answer

only the +ve current

only the electronic current

sum of +ve and electronic current

all of them

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

Choose an answer

conductors

insulators

semi-conductors

all of them

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

Choose an answer

diamagnetic substances

ferromagnetic substances

paramagnetic substances

all of them

The results of mechanical tests are usually expressed in terms of

Choose an answer

stress

strain

stress and strain

neither strees nor strain

The doped semi-conductor materials are known as

Choose an answer

intrinsic semi-conductor

extrinsic semi-conductor

either of them

none of them

The transition from solid to liquid is actually from:

Choose an answer

Order to disorder

Disorder to order

Order to order

Disorder to disorder

None of these

There is a regular arrangement of molecules in a

Choose an answer

amorphous solids

polymeric solids

crystalline solids

none of them

In a cubic crystal, All solids meet at:

Choose an answer

60^o

90^o

109^o

30^o

10^o

Polymeric solids have

Choose an answer

low specific gravity

high specific gravity

either of them

none of them

More Classes

Other Links

ECAT Physics Chapter 17 Physics of Solids Online Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer