Advertisements
Advertisements
Question
How does the density of water changes when it is heated from 4°C to 10°C ?
Advertisements
Solution
The density of water is maximum at 4°C. It decreases when it is cooled from 4°C to 0°C or it is heated above 4°C
APPEARS IN
RELATED QUESTIONS
Define the term density of a substance.
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.
Convert the following quantity as indicated:
1 yard = m
The diagram below shows a stick placed along a metre RULER. The length of the stick is measured keeping the eye at positions A, B, and C.

Write the temperature of melting ice.
Fill in the blank.
There are ............. fundamental physical quantities.
Solve the following numerical problem.
20 one – rupee coins are placed one above the other. If their total height is 32 mm, find the thickness of one coin.
What do you mean by ‘unit’?
Assertion (A): Density is a derived physical quantity
Reason (R): Density cannot be derived from the fundamental physical quantities.
A physical quantity A is dependent on other four physical quantities p, q, r and s as given below A = `sqrt("pq"/("r"^2"s"^3))`. The percentage error of measurement in p, q, r and s are 1%, 3%, 0.5% and 0.33% respectively, then the maximum percentage error in A is ______ %.
