Question

State which of the following cannot be said to be matter human body,clothes,rock,mobile units,shadow,t.v.waves,sound,heat.give reasons.

Answer 1

Answer:

Matter:

Matter is anything which occupies physical space and have mass called Matter.

There are three states of matter:

1. Solid.

2. Liquid.

3. Gases.

Solid:

The particles of solid are tightly combine to each other.

It has define volume & Mass.

It has define shape.

Liquid:

The particles of liquid are closely to each other.

It has undefine volume & shape.

It take the shape of it's container.

Gases:

The particles of gases are move freely to around each other.

It has undefine volume & shape.

Gase is colour less.

Now, Coming to to your question:

Your question:

State which of the following cannot be said to be matter human body,clothes,rock,mobile units,shadow,T.v.waves,sound,heat.Give reasons.

Answer:

1. Human Body.

Yes, Human body is a matter.

Reason:

Human body is a matter. Because,it has define volume, shape and mass.

Human body is Solid.

2. Clothes.

Yes, Clothers are matter.

Reason:

Cothes is matter. Because,the molecules of cloth are locked and cannot freely move about and slide past each other .

So, Its a Kind of Solid.

3. Rock.

Yes, Rock is a matter.

Reason:

Rock is a matter. Because,it has define volume, shape and mass.

Rock is Solid.

Note:

{We can change the shape of rock but we need force.}

4. Mobile:

Yes, Mobile is a solid.

Reason:

Mobile is a matter.

Reason:

Mobile is a matter.Because,it has define volume, shape and mass.

Mobile is a solid.

5. Units:

Units are  matter.

Reason:

Units are Matter. Because,Like: Matter's units is an Atom and Atom is a matter.

6. Shadow.

No, Shadow is not a matter.

Reason:

A shadow is not matter, since it has no mass and takes up no space.  

Shadow is a lack of light on a certain area.

7. T.V

Yes, T.V is matter.

Reason:

T.V is matter.Because, It has fixed volume, mass & shape.

T.V is solid.

8. Waves:

Yes, Waves are matter.

Reason:

Matter is wave. All matter is energy.

All energy is kinetic energy.

9. Sound:

No,Sound is not Matter.

Reason:

Sound is not a state of matter.Sound is produced by the movement of molecules (compressions and rarefactions)

10. Heat:

No, Heat is not matter.

Reason:

Heat is not a state of matter. An object can be hot and be a solid, liquid or gas. But heat is measured by temperature.