ICSE ICSE Class 8 - CISCE Question Bank Solutions for Physics

State three properties of molecules of a matter.

What is meant by the intermolecular forces of attraction? How do they vary in solids, liquids and gases?

Discuss the three states of matter solid, liquids and gas on the basis of molecular model.

Equal volumes of the two different substances have equal masses.

The density of a piece of brass will change by changing its size or shape.

Relative density of water is 1.0.

When a body is immersed in a liquid, the buoyant force experienced by the body is equal to the volume of the liquid displaced by it.

1 kg is the mass of ............ml of water at 4°C.

Mass = density x .........

Density of water is .......Kg m^-3.

1 g cm^-3 = ......... Kg m^-3.

 Match the following :

The correct relation is

A block of wood of density 0.8 g cm-3 has a volume of 60 cm3. The mass of block is

A density bottle has a marking 25 ml on it. It means that:

The correct statement is

The S.I. unit of force is kgf. (kilogram-force)

A force always produces both the linear and turning motions.

Moment of force = force × perpendicular distance of force –  from the pivoted point.

Less force is needed when applied at a farther distance from the pivoted point.