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प्रश्न
What is the use of altimeter?
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उत्तर
संबंधित प्रश्न
Explain the principle of a hydraulic machine. Name two devices which work on this principle.
Draw a simple diagram of a hydraulic jack and explain its working.
66640 Pa pressure is exerted by 0.50 m vertical column of a liquid. If g = 9.8 Nkg−1, calculate the density of the liquid.
Define the SI unit of pressure.
P is the pressure at some point in a liquid. State whether pressure P is a scalar or vector quantity.
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 and explain Pascal's law of transmission of pressure.
Unit of pressure is
