Quick Quiz
Questions ▼
MCQ on Surface Tension. We covered all the MCQ on Surface Tension in this post for free so that you can practice well for the exam.
Install our MCQTUBE Android app from the Google Play Store and prepare for any competitive government exams for free.
These types of competitive MCQs appear in exams like SSC CGL, CHSL, JE, MTS, Stenographer, CPO, Railway Group-D, NTPC, ALP, JE, RPF, Tech, Bank, Delhi Police Constable, UP Lekhpal, DSSSB, DDA ASO, BPSC Teaching, Defence, UPSSSC, UPSC (Pre), UPP, SI, UPTET, UPPCS, BPSC, BSSC, SBI, IBPS, LIC, State PCS, CDS, NDA, Assistant Commandant, and other Competitive Examinations, etc.
We created all the competitive exam MCQs into several small posts on our website for your convenience.
You will get their respective links in the related posts section provided below.
Related Posts:
Mock Test on Surface Tension for Students
Why is it hard to pull apart two glass slides with a water droplet in between?
a) Viscosity
b) Gravity
c) Surface tension
d) Atmospheric pressure
Option c – Surface tension
Why does a needle or pin stay afloat on water?
a) Surface tension
b) Low weight
c) Adhesive force
d) Viscosity
Option a – Surface tension
What is the SI unit used to measure surface tension?
a) Nm
b) N/m²
c) N/m
d) N/s
Option c – N/m
Why do mosquitoes sink when kerosene is poured on a pond’s surface?
a) Kerosene lowers the surface tension, disrupting the liquid film supporting them
b) The smell of kerosene repels mosquitoes
c) It becomes uncomfortable for them to move
d) Kerosene increases surface tension
Option a – Kerosene lowers the surface tension, disrupting the liquid film supporting them
What causes kerosene to move upward through a lantern wick?
a) Oil spreads due to diffusion
b) Buoyant force from the air
c) Surface tension
d) Gravity pulling the oil through the wick
Option c – Surface tension
What happens to a liquid’s surface tension at its critical temperature?
a) It becomes zero
b) It becomes infinite
c) It stays constant
d) It cannot be measured
Option a – It becomes zero
How does surface tension change as a liquid heats up?
a) No change
b) It increases
c) It decreases
d) Depends on the type of liquid
Option c – It decreases
Why are raindrops typically round?
a) Surface tension
b) Capillary action
c) Falling movement
d) Force of gravity
Option a – Surface tension
What is the force between similar molecules called?
a) Cohesive force
b) Adhesive force
c) Gravity
d) Nuclear force
Option a – Cohesive force
What term describes the force between different substances’ molecules?
a) Cohesive force
b) Adhesive force
c) Gravitational pull
d) Nuclear force
Option b – Adhesive force
Why do tiny liquid droplets form into spheres?
a) Due to gravity acting on them
b) Atmospheric pressure causes it
c) Spherical shape gives minimum volume
d) Liquids naturally minimize their surface area
Option d – Liquids naturally minimize their surface area
What causes the surface tension of a fluid?
a) Cohesion among molecules
b) Attraction to another substance
c) Tension within the liquid
d) Air pressure on the liquid
Option a – Cohesion among molecules
Why do the bristles of a wet paintbrush stick together?
a) Attraction between the bristles
b) Natural property of brush fibers
c) Viscosity of water
d) Water’s surface tension
Option d – Water’s surface tension
What is the molecular range of a substance?
a) Maximum distance a molecule travels
b) The furthest adhesive forces act
c) The furthest cohesive forces act
d) Distance between molecules in a substance
Option c – The furthest cohesive forces act
We covered all the mcq on surface tension above in this post for free so that you can practice well for the exam.
Check out the latest MCQ content by visiting our mcqtube website homepage.
Also, check out:
