# Concept of Surface Area, Volume, and Capacity

#### definition

• Volume: Amount of space occupied by a three-dimensional object is called its volume.
• Capacity: Capacity means the ability of the hollow object to hold substance, i.e., solid, liquid, or gas. It is a measure, that ascertains the amount of space available in a container, that can be filled with matter.

# Volume:

• The measure of this occupied space is called the Volume of the object.

• The volume of an object is the measure of the space it occupies, and the capacity of an object is the volume of substance its interior can accommodate.

• It is nothing but space, taken up by the substance which can be solid, liquid, or gas.

• Hence, the unit of measurement of either of the two is a cubic unit.

• Both solid and hollow objects have volume.

# Capacity:

• Capacity means the ability of the hollow object to hold substance, i.e., solid, liquid, or gas. It is a measure, that ascertains the amount of space available in a container, that can be filled with matter.

• Measured in metric units such as liters, gallons, etc.

• Only hollow objects have the capacity.

• 1 mL = 1 cm3,
1 L = 1000 cm3,
1 m3 = 1000000 cm3 = 1000 L.

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Difference between Volume & Capacity [00:10:55]
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