THERMAL EXPANSION

A longer rod expands ______________ a shorter rod on being heated to the same temperature.

• more than

• less than

• same as

• different from

Tags

NGSS.MS-PS1-4

Name the method used to join steel girders, boilerplates, etc.

• Heating

• Riveting

• Reveting

• Rollers

Blowing air or wind increases

• boiling point

• vaporisation

• evaporation

• cooling

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-3

All solids expand by the same amount when heated to the same temperature.

• true

• false

Tags

NGSS.MS-PS1-4

Choose the odd one out.

• pyrex glass

• glass

• brass

• Aluminium

Choose the correct statement.

• Iron rims are cooled before they are placed on the cart wheels.

• telephone wires sag in winter, but become tight during summer.

• A glass stopper get tightened on warming the neck of the bottle.

• A little space is left between two rails on a railway track.

Tags

NGSS.MS-PS1-4

An Iron washer is heated to increase its __________.

• mass

• internal diameter

• external diameter

• density

Tags

NGSS.MS-PS1-4

The expansion of a substance when heated is called _______________.

• Thermal Expansion

• Linear Expansion

• Superficial Expansion

• Cubical Expansion

Tags

NGSS.MS-PS1-4

Choose the correct equation.

• L_t - L₀ = αL₀t

• L_t = αL₀t -- L₀

• V_t - L₀ = αL₀t

• A_t - A₀ = βL₀t

Name the easiest topic.

• LIGHT

• HEAT