Advertisements
Advertisements
प्रश्न
Consider the statement given below and choose the correct option.
Assertion: Water strider slides easily on the surface of the water.
Reason: Water strider experiences less buoyant force.
पर्याय
Both assertion and reason are true and reason is the correct explanation of assertion.
Both assertion and reason are true, but reason is not the correct explanation of assertion.
Assertion is true, but reason is false.
Both assertion and reason are false.
उत्तर
If both assertion and reason are true, but reason is not the correct explanation of assertion
Correct explanation:
It is due to the surface tension of water.
APPEARS IN
संबंधित प्रश्न
What is the scientific name of the 'upward force' acting on an object immersed in a liquid?
If a fresh egg is put into a beaker filled with water, it sinks. On dissolving a lot of salt in the water, the egg begins to rise and then floats. Why ?
The weight of a body is more than the buoyant force experienced by it, due to a liquid. The body will
A cork piece floats on water surface while an iron nail sinks in it. Explain the reason.
For a floating body, how is its weight related to the buoyant force?
A simple U tube contains mercury to the same level in both of its arms. If water is poured to a height of 13.6 cm in one arm, how much will be the rise in mercury level in the other arm?
Given : density of mercury = 13.6 x 103 kg m-3 and density of water = 103 kg m-3.
Define upthrust and state its S.I. unit.
A body of mass 3.5 kg displaces 1000 cm3 of water when fully immersed inside it. Calculate:
- the volume of body,
- the upthrust on body and
- the apparent weight of body in water.
Complete the analogy.
Downward force: Weight:: Upward force offered by liquid: _____
State whether true or false. If false, correct the statement.
The weight of fluid displaced determines the buoyant force on an object.
