CLEAN : PSG measure potential against off

The video tutorial introduces the concept of liquid and explores the properties of drops.

What is the primary characteristic of a liquid?

• It has a fixed shape.

• It flows and takes the shape of its container.

• It cannot be compressed.

• It is always solid at room temperature.

Which of the following is true about liquids?

• They are always gaseous.

• They can be easily compressed.

• They have a definite volume but no definite shape.

• They have a definite shape and volume.

What happens when a drop of liquid is released?

• It turns into a solid.

• It forms a spherical shape due to surface tension.

• It remains in the air.

• It evaporates instantly.

Which force is responsible for the shape of a drop?

• Gravitational force

• Magnetic force

• Frictional force

• Surface tension

What is a common observation about drops of liquid?

• They tend to minimize their surface area.

• They have a flat surface.

• They are always square.

• They are unaffected by gravity.