Advertisements
Advertisements
प्रश्न
Water is heated from 0°C to 10°C . How does the density of water change with temperature?
उत्तर
On heating from 0°C , the density of water increases up to 4°C and then decreases beyond 4°C .
APPEARS IN
संबंधित प्रश्न
Define the term density.
What are the units density in (i) C.G.S. and (ii) S.I. system .
A jeweller claims that he makes ornaments of pure gold that has a relative density of 19.3. He sells a bangle weighing 25.25 gf to a person. The clever customer weighs the bangle when immersed in water and finds that it weighs 23.075 gf in water. With the help of suitable calculations, find out whether the ornament is made of pure gold or not.
[Hint : calculate R.D. of material of bangle which comes out to be 11.6].
A man first swims in sea water and then in river water. (i) Compare the weights of sea water and river water displaced by him.
(ii) Where does he find it easier to swim and why?
A rubber ball floats on water with its 1/3rd volume outside water. What is the density of rubber?
The density of ice is 0.92 g cm-3 and that of sea water is 1.025 g cm-3. Find the total volume of an iceberg which floats with its volume 800 cm3 above water.
When a piece of ice floating in water melts, the level of water inside the glass remains same. Explain.
Write the SI units of Density
Complete the following result:
S.l. unit of density is _________
