Archimedes' Principle

Which of the following ratio defines density?

• Mass / Volume

• Volume / Mass

• Mass / Area

• Area / Mass

What is considered as a reference to calculate relative density?

• Density of water at 100 °C

• Density of water at 4 °C

• Density of water at 0 °C

• Density of water at 10 °C

What is the unit of buoyant force?

• metre

• newton metre

• newton

• newton per metre

Which condition is termed as negative buoyancy?

• When a body floats in a fluid

• When a body sinks in a fluid

• When a body hovers inside the fluid

• None of these

The relative density of water is ____________.

• 1 gm/cm3

• 1

• 1000kg/m3

• 100

Which of the following indicates how compact an object is?

• Density

• Buoyancy

• Weight

• None of these

The density of water at 4 °C is ____________ g / cm3.

• 1000

• 100

• 1

• 1.1

What is the unit of relative density?

• N / m2

• N / m3

• kg / m2

• It has no unit

Which of the following states of an element is the least dense?

• Solid

• Liquid

• Gas

• Cannot be said

What is the upward force acting on a body immersed in a fluid known as?

• Weight

• Buoyant force

• Friction force

• None of these