fill in the blanks.

Question 11 Mark

The density of water is maximum at $.........$

Answer

The density of water is maximum at $4 ^\circ C.$

Question 21 Mark

A $20 m$ steel rod expands $.........$ than a $80 m$ steel rod, when heated to $500^\circ C$ for $10$ minutes.

Answer

A $20 m$ steel rod expands less than a $80 m$ steel rod, when heated to $500^\circ C$ for $10$ minutes

Question 31 Mark

$.........$ expand more than liquids.

Answer

Gases expand more than liquids

Question 41 Mark

Brass expands $.........$ than steel.

Answer

Brass expands more than steel.

Question 51 Mark

Boiling is a $.........$ process.

Answer

Boiling is a brisk and violent process.

Question 61 Mark

The process of $.........$ occurs at the boiling point of a liquid.

Answer

The process of boiling occurs at the boiling point of a liquid.

Question 71 Mark

Expansion in $.........$ of a solid on heating is called superficial expansion.

Answer

Expansion in area of a solid on heating is called superficial expansion.

Question 81 Mark

Evaporation occurs only at the $.........$ of a liquid.

Answer

Evaporation occurs only at the surface of a liquid.

PHYSICS fill in the blanks.