EASY
7th ICSE
IMPORTANT
Earn 100

Define relative density.

Important Questions on Measurement

EASY
7th ICSE
IMPORTANT
Explain the term: Speed
MEDIUM
7th ICSE
IMPORTANT

Define speed. What is its SI unit?

MEDIUM
7th ICSE
IMPORTANT
Explain how the convection currents arise as a result of variations in density of liquids and gases with temperature.
HARD
7th ICSE
IMPORTANT
How is Plimsoll line a safety measure for ships?
MEDIUM
7th ICSE
IMPORTANT

Explain how the density of a substance varies with change in temperature.

HARD
7th ICSE
IMPORTANT
The density of a substance is 23 g/cm3. What do you understand by this statement?
MEDIUM
7th ICSE
IMPORTANT
How is relative density of a liquid determined by density bottle?
HARD
7th ICSE
IMPORTANT

Explain the procedure to determine the density of an unknown liquid using a relative density bottle.