Advertisements
Advertisements
Question
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.
Options
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.
Advertisements
Solution
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
RELATED QUESTIONS
What do you mean by buoyancy?
A body sinks in a liquid A but floats in a liquid B. The density of liquid A is ....... than the density of liquid B.
Define buoyant force. Name two factors on which buoyant force depends.
Which of the following will sink or float on water? (Density of water = 1 g Cm-3)
body D having density 0.85 g m-3
Describe a simple experiment to demonstrate that a liquid enclosed in a vessel exerts pressure in all directions.
Pressure at the free surface of a water lake is P1, while at a point at depth h below its free surface is P2. (a) How are P1 and P2 related? (b)Which is more P1 or P2?
Explain why a gas bubble released at the bottom of a lake grows in size as it rises to the surface of the lake.
Figure shows the same block of wood floating in three different liquids A, B and C of densities ρ1, ρ2 and ρ3 respectively. Which of the liquid has the highest density? Give a reason for your answer.

Pressure in a water pipe on the ground floor of a building is 100,000 Pa. Calculate the pressure in the water pipe on the first floor at a height of 3 m. [Density of water = 1000 kgm−3 ; g = 10 ms−2]
In a fluid, buoyant force exists because the pressure at the ______ of an object is greater than the pressure at the top.
