Advertisements
Advertisements
प्रश्न
The S.I. unit of pressure is pascal.
विकल्प
True
False
Advertisements
उत्तर
True.
APPEARS IN
संबंधित प्रश्न
Explain why Atmospheric pressure at a height of about 6 km decreases to nearly half of its value at the sea level, though the height of the atmosphere is more than 100 km
1 kgf = .............. (nearly).
The unit of thrust is ..........
Pressure is the thrust acting on a surface of ........... area.
Find the area of a body which experiences a pressure of 50000 Pa by a thrust of 100 N?
The base of a container measures 15 cm × 20 cm. It is placed on a table top. If the weight of the container is 60 N, what is the pressure exerted by the container on the table top?
Water flows through a horizontal tube of variable cross section. The area of cross section at A and B are 4 mm2 and 2 mm2 respectively. If 1 cc of water enters per second through A, find (a) the speed of water at A, (b) the speed of water at B and (c) the pressure difference PA − PB.
Cooking in a place located at a higher altitude is difficult. Why?
Upthrust = weight of the fluid displaced – apparent weight of the object.
Assertion (A): Wide wooden sleepers are kept below railway lines to reduce pressure on the railway tracks and prevent them from sinking into the ground.
Reason (R): Pressure is directly proportional to the area in which it is acting.
