MEDIUM
7th ICSE
IMPORTANT
Earn 100

Describe the method in steps to find the area of an irregular lamina using a graph paper.

Important Questions on Physical Quantities and Measurement

EASY
7th ICSE
IMPORTANT
Define the term density of a substance.
MEDIUM
7th ICSE
IMPORTANT
State the SI and CGS units of density. How are they interrelated?
MEDIUM
7th ICSE
IMPORTANT
The density of brass is 8.4 gcm-3. What do you mean by the statement?
HARD
7th ICSE
IMPORTANT
Arrange the following substances in order of their increasing density: (a) iron, (b) cork, (c) brass, (d) water and (e) mercury.
MEDIUM
7th ICSE
IMPORTANT
How does the density of water changes when it is heated from 0° C to 4° C?
MEDIUM
7th ICSE
IMPORTANT
How does the density of water changes when it is heated from 4°C to 10°C?
MEDIUM
7th ICSE
IMPORTANT
Write the density of water at 4°C.
MEDIUM
7th ICSE
IMPORTANT
Explain the meaning of the term speed.