Free Printable structural properties of matter

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structural properties of matter

Total questions: 21

Worksheet time: 18mins

Name

Class

Date

what is the dimension of Young's modulus?

[Y]=ML^-2T^-1

[Y]=ML^-1T^-1

[Y]=ML^-1T^-2

[Y]=M^-1L^-1T^-1

what is the dimension of Young's modulus?

[Y]=ML^-2T^-1

[Y]=ML^-1T^-1

[Y]=ML^-1T^-2

[Y]=M^-1L^-1T^-1

what is the stress on a wire of cross section 0.01 cm² subjected with a force of 2x10⁴N?

2x10⁶Nm^-2

2x10⁸Nm^-2

2x10¹⁰Nm^-2

2x10¹²Nm^-2

which of these is true in case of poison's ratio

1< $\sigma$ <0.5

-1< $\sigma$ <0.5

-1< $\sigma$ <1

-1< $\sigma$ <-0.5

why does a drop of water assume a spherical shape?

due to elasticity

due to viscosity

because of gravity

because of surface tension

the weakest bon of the chemical bond is

ionic bond

covalent bond

vander waals bond

metallic bond

COHESIVE FORCE IS

mutual attractive force between molecules of different materials

mutual attractive force between molecules of same materials

the length of a wire is 3m, its area of cross section is 2 mm² and breaking stress is 2.45x10⁸ Nm^-2. the breaking weight of the wire is

3.6x10³N

4,9x10⁵N

4.9x10^-2N

4.9x10²N

within elastic limit, the ratio of shearing stress and shearing strain is-

young's modulus

bulk modulus

rigidity modulus

poisson's ratio

10.

the angle of contact of a liquid that wets the glass is-

about 90 degree

about 0 degree

greater than 90 degree

less than 90 degree

11.

material which can flow is called

liquid

gaseous

solid

fluid

12.

coefficient of a viscosity of gas is (a) absolute temperature

13.

the length of a wire changes from 10m to 10.5m when subjected to an applied force. what is the lateral strain ?

10.5

0.05

14.

how much more is the inner pressure of a rain drop of radius 0.002m than the outer pressure ?the surface tension of water is 7.28x10^-2 Nm^-1

728 Pa

72.8 Pa

7.28 Pa

0.728 Pa

15.

what is the young modulus of completely rigid body?

$\infty$

16.

which of the following properties of a body can not be changed with an applied force ?

length

mass

shape

volume

17.

what is the another name of bulk modulus

compressibilty

incompressibility

shear modulus

elastic modulus

18.

if angle of contact is greater than 90 degree then

cohesive force is greater than adhesive force

cohesive force is less than adhesive force

19.

the angle of contact between pure water and clean glass is (a)

20.

what is the work done in forming a bubble of radius 5 cm?[T=3x10^-2 Nm^-1

0.88x10^-3j

0.98x10^-3j

1.88x10^-3j

2.88x10^-1j

21.

what is the work done in extending a wire ?

W= $Fl$

W= $\frac{1}{2}$ $Fl$

W= $2Fl$

W= $\frac{1}{2}Fl^2$

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structural properties of matter

Total questions: 21

Worksheet time: 18mins

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