Department of Pre-University Education, KarnatakaPUC Karnataka Science Class 11

# A Liquid Can Easily Change Its Shape but a Solid Can Not Because - Physics

MCQ

A liquid can easily change its shape but a solid can not because

#### Options

•  the density of a liquid is smaller than that of a solid

• the forces between the molecules is stronger in solid than in liquids

• the atoms combine to form bigger molecules in a solid

• the average separation between the molecules is larger in solids

#### Solution

The forces between the molecules is stronger in solids than in liquids
The forces between the particles of a solid are stronger than those between the particles of a liquid, so the particles cannot move freely but can only vibrate. Thus, a solid has stable, definite shape and volume. A solid can only change its shape by force (when broken or cut), whereas a liquid can easily change its shape because of weak inter-particle forces.

Concept: Introduction to Fluid Machanics
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#### APPEARS IN

HC Verma Class 11, 12 Concepts of Physics 1
Chapter 13 Fluid Mechanics
MCQ | Q 1 | Page 271