Samacheer Kalvi - English Medium books
Samacheer Kalvi - Tamil Medium books
Fluids Flash Cards
Unit 3 >
Samacheer Kalvi - English Medium
Book Back Questions & Answers
Videos & Podcasts
Tests & Quizzes
20 cards in this set.
The size of an air bubble rising up in water
Clouds float in atmosphere because of their low
In a pressure cooker, the food is cooked faster because
(b) increased pressure raises the boiling point.
An empty plastic bottle closed with an airtight stopper is pushed down into a bucket filled with water. As the bottle is pushed down, there is an increasing force on the bottom. This is because,
(c) pressure increases with depth.
The weight of the body immersed in a liquid appears to be________ than its actual weight
The instrument used to measure atmospheric pressure is _________.
The magnitude of buoyant force acting on an object immersed in a liquid depends on________ of the liquid.
A drinking straw works on the existence of________
The weight of fluid displaced determines the buoyant force on an object.
The shape of an object helps to determine whether the object will float or not.
FALSE (The density of an object helps to determine whether the object will floater sink)
The foundations of high-rise buildings are kept wide so that they may exert more pressure on the ground
FALSE (They exert less pressure on the ground)
Archimedes principle can also be applied to gases.
Hydraulic press is used in the extraction of oil from oil seeds
Pressure exerted by a fluid
(A): To float, body must displace liquid whose weight is equal to the actual weight... (R): The body will experience no net downward force in that case.
(a) If both assertion and reason are true and reason is the correct explanation of assertion.
(A): Pascals law is the working principle of a hydraulic lift.. (R): Pressure is thrust per unit area
(b) If both assertion and reason are true but reason is not the correct explanation of assertion
Your browser does not support the audio element.