Advertisements
Advertisements
प्रश्न
Advertisements
उत्तर
APPEARS IN
संबंधित प्रश्न
A piece of wood is floating in water kept in a bottle. The bottle is connected to an air pump. Neglect the compressibility of water. When more air is pushed into the bottle from the pump, the piece of wood will float with
Name and state the principle on which a hydraulic press works. Write one use of hydraulic press.
Draw a simple diagram of a hydraulic jack and explain its working.
How does the liquid pressure on a diver change according to the following condition:
When the driver moves horizontally
The following figure shows a manometer containing a liquid of density p. The limb P of the manometer is connected to a vessel V and the limb Q is open to atmosphere. The difference in the levels of liquid in the two limbs of the manometer is h as shown in the diagram. The atmospheric pressure is P0.
(i) What is the pressure on the liquid surface in the limb Q?
(ii) What is the pressure on the liquid surface in the limb P?

State Pascal's law.
The density of iron is 7800 kg m-3. What do you mean by this statement? What is density of water at 40C?
What are Force multipliers?
An iceberg of density 700 kg/m3 is floating in the water of density 1000 kg/m3. The percentage of the volume of ice cube outside the water is:
