Question

in which of the following substance rigidity property is present .circle the correct number
1. Sheets of aluminium
2. Ice
3. Chalk
4. Naphthalene balls

Answer 1

The rigidity property is present in sheets of Aluminium.

Answer: Option 1

Explanation:

The ability of the substance to undergo all the changes placed on them is called as rigidity. For instance if we bend it, it should bend without breaking, if we stretch it, it should stretch without breaking etc.

Among the given substances such as sheets of aluminium, ice, chalk and Naphthalene balls, the rigidity property is present in sheets of aluminium only due to which it is used in many fields.  

Answer 2

Rigidity property is present in Aluminium sheets.

Option (4) is correct.

Explanation:

• Rigidity is the inability of a substance to bend or bring changes in its shape.
• The shape of ice can not be changed as it is a solid form of matter.
• Rigidity means if we bend the object, it should bend without ripping or breaking.
• The aluminum sheet can be folded but it gets crippled and this also ruins the shape of the aluminum sheet.