ICSE ICSE Class 7 - CISCE Question Bank Solutions

What minimum distance is required between the source of sound and the reflecting surface to hear an echo ? Give reason.

State whether true or false. If false, correct the statement.

The reason for brilliance of diamonds is total internal reflection of light.

Write true or false for a given statement

The S.I. unit of volume is the liter.

Write true or false for a given statement.

A measuring beaker of capacity 200 ml can measure only the volume. 200 ml of a liquid.

Write true or false for a given statement

cm² is a smaller unit of area than m². 

Write true or false for a given statement

The S.I. unit of density is g cm^-3.

Write true or false for a given statement

1 g cm^-3 = 1000 kg m^-3.

Write true or false for a given statement.

The S.I. unit of speed is ms^-1.

Fill in the blank

The volume of an irregular solid is determined by the method of _____

Fill in the blank

The S.I. unit of density is _______

Select the correct alternative 

A metallic piece displaces water of volume 15 ml. The volume of piece is :

Select the correct alternative 

The density of alcohol is 0.8 g cm-3. In S.I. unit, it will be :

State and define the S.I. unit of volume.

State two smaller units of volume. How are they related to the S.I. unit?

State the S.I. and C.G.S. units of density. How are they inte related ?

Write the S.I. unit of speed.

 Fill in the blank

The S.I. unit of temperature is ________.

Fill in the blank

The temperature of a normal human body is ________.

Fill in the blank

A person is said to have fever if his body temperature is more than _________

State the three units of temperature.