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

Rigidity is present in all the options – Sheets of aluminium, ice, chalk and naphthalene balls but the highest rigidity is seen in the chalk.

Rigidity is the property in which the material can’t be bent or change its shape.

It is an inability to adapt or change.

Aluminium sheet can be folded but it will cripple up the sheet.

Answer 2

Rigidity can be seen and is available in all the choices such as Sheets in aluminum, ice, chalk and naphthalene balls.

Explanation:

• This is due to the 'greatest rigidity' can be seen in that of the chalk.

• Rigidity and tightness is the characteristic, defining feature in which the material in question just can not be bent and twisted or overall shaped or neither changed.

• It is incapable of adapting or changing.

• It is possible to fold aluminium sheet but will cripple and ruin the sheet of aluminium as it is comparatively daintier.

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