Advertisements
Advertisements
प्रश्न
Why does ice float in water ?
Advertisements
उत्तर
The ice floats on the water because it is less dense than water. A substance floats if it is less dense than the liquid in which it is immersed.
APPEARS IN
संबंधित प्रश्न
The volume of a 500 g sealed packet is 350 cm3. Will the packet float or sink in water if the density of water is 1 g cm−3? What will be the mass of the water displaced by this packet?
What is the value of relative density of water ?
The relative density of mercury is 13.6. What does this statement mean?
A mug full of water appears light as long as it is under water in the bucket than when it is outside water. Why ?
An iron nail sinks in water but it floats in mercury. Why ?
Steel sinks in water but a steel boat floats. Why ?
A rectangle wooden block has length, breadth and height of 50 cm, 25 cm and 10 cm, respectively. This wooden block is kept on ground in three different ways, turn by turn. Which of the following is the correct statement about the pressure exerted by this block on the ground?
Consider the following information in respect of four objects A, B, C and D :
| Object | Density(kg/m3) | Volume(m3) | Mass(kg) |
| A | 2 | 4000 | |
| B | 8000 | 4 | |
| C | 2000 | 1000 | |
| D | 4 | 2000 |
Which object would float on water ?
Give reason.
What determines whether an object floats or sinks in a fluid?
Choose the odd one:
