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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.
विकल्प
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.
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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.
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संबंधित प्रश्न
Define the term relative density of a substance.
The density of water is 1.0 g Cm-3. The density of iron is 7.8 × 10″3 g Cm-3. The density of mercury is 13.6 g Cm-3.
Ans the following:
Will a piece of iron float or sink in water?
Explain the following statement:
Sleepers are laid below the rails.
How does the liquid pressure on a diver change if:
the diver moves to the greater depth
What is the cause of upthrust? At which point can it be considered to act?
Complete the following sentence :
Two balls, one of iron and the other of aluminium experience the same upthrust when dipped completely in water if _____________ .
The S.I. unit of upthrust is :
Select the correct option.
Unit of thrust in the SI system is
A body will sink if the weight of the body is greater than the buoyant force.
Higher Order Thinking Skill.
How does a fish manage to rise up and move down in water?
