Advertisements
Advertisements
प्रश्न
Why do sea divers need special protective suit?
Advertisements
उत्तर
The sea divers need special protective suit to wear because in deep sea, the total pressure exerted on the diver's body is much more than his blood pressure. To withstand it, he/she needs to wear a special protective suit.
APPEARS IN
संबंधित प्रश्न
In what direction does the buoyant force on an object immersed in a liquid act?
Name the scientist who gave he magnitude of buoyant force acting on a solid object immersed in a liquid.
The relative density of alcohol is 0.8. Its density is
Define the term thrust. State its S.I. unit.
State whether pressure is a scalar or vector?
A metal solid cylinder tied to a thread is hanging from the hook of a spring balance. The cylinder is gradually immersed into the water contained in a jar. What changes do you expect in the readings of the spring balance? Explain your answer.
A homogeneous block floats on water (a) partly immersed (b) completely immersed. In each case state the position of centre of buoyancy B with respect to the centre of gravity G of the block.
Select the correct option:
When an object sinks in a liquid, its:
Complete the analogy.
Downward force: Weight:: Upward force offered by liquid: _____
Complete the analogy.
Downward force : Weight :: Upward force offered by liquid : _____.
