ICSE ICSE Class 7 - CISCE Question Bank Solutions for Physics

Match the following:

 Select the correct alternative 

 One litre is equal to :

A piece of paper of dimensions 1.5 m × 20 cm has area ______.

Select the correct alternative 

The correct relation is :

 Select the correct alternative 

The density of aluminium is 2.7 g cm-3 and of brass is 8.4 g cm^-3. For the same mass, the volume of:

Select the correct alternative 

 A block of wood of density 0.8 g cm^-3 has a volume of 60 cm³. The mass of block will be :

Select the correct alternative 

A boy travels a distance 150 m in 1 minute. His speed is

Select the correct alternative 

The correct relation for speed is

Define the term density of a substance.

Arrange the following substances in order of their increasing density:
(a) iron
(b) cork
(c) brass
(d) water
(e) mercury

How does the density of water changes when  it is heated from 0°C to 4°C,

How does the density of water changes when it is heated from 4°C to 10°C ?

Explain the meaning of the term speed.

A car travels with a speed 12 m s”1, while a scooter travels with a speed 36 km h-1. Which of the two travels faster ?

The length, breadth and height of a water tank are 5 m, 2.5 m and 1.25 m respectively. Calculate the capacity of the water tank in (a) m³ (b) litre.

A solid silver piece is immersed in water contained in a measuring cylinder. The level of water rises from 50 ml to 62 ml. Find the volume of silver piece.

Find the volume of a liquid present in a dish of dimensions 10 cm x 10 cm x 5 cm.

A rectangular field is of length 60 m and breadth 35 m. Find the area of the field.

A piece of brass of volume 30 cm³ has a mass of 252 g. Find the density of brass in (i) g cm^-3, (ii) kg m^-3.

A block of iron has dimensions 2 m × 0.5 m × 0.25 m. The density of iron is 7.8 g cm⁻³. Find the mass of block.