Physics · JEE

Medium Application of surface tension: drops, bubbles and capillary rise MCQs for JEE

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Medium Application of surface tension: drops, bubbles and capillary rise MCQs bridge basics and advanced JEE problems — 12+ available on Goodmarks.

Medium-difficulty Application of surface tension: drops, bubbles and capillary rise MCQs mirror typical JEE Main questions. Practise 12+ MCQs with step-by-step solutions.

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Q1PhysicsUnit 7: Properties of Solids and Liquids
plating is done on objects such as car parts, bath taps, kitchen gas burners, bicycle handlebars, wheel rims because of its shiny appearance
Q2PhysicsUnit 7: Properties of Solids and Liquids
Porters (coolies) place on their heads a round piece of cloth, to the area of contact of the load with their head.
Q3PhysicsUnit 7: Properties of Solids and Liquids
A soap bubble of radius 3cm3 \mathrm{cm} is charged with surface charge density σ\sigma such that σ2ϵ0=0.4SI\frac{\sigma^{2}}{\epsilon_{0}}=0.4 S I units. The excess pressure inside the bubble in SI unit (surface tension of soap solution =3×=3 \times 103N/m10^{-3} \mathrm{N} / \mathrm{m} ) is:
Q4PhysicsUnit 7: Properties of Solids and Liquids
The potential of a large liquid drop when eight liquid drops are combined is 20V20 V Then the potential of each single drop was:
Q5PhysicsUnit 7: Properties of Solids and Liquids
At certain temperature radius of an air bubble is doubled when it comes to the top from bottom of a mercury column of height H if the pressure is:
Q6PhysicsUnit 7: Properties of Solids and Liquids
The air pollution caused by the internal combustion engine vehicles can be reduced by using:
Q7PhysicsUnit 7: Properties of Solids and Liquids
Chromium plating is done on many articles so that they
Q8PhysicsUnit 7: Properties of Solids and Liquids
Two capillary tubes of the same material but of different radii are dipped in a liquid. The heights to which the liquid rises in the two tubes are 2.2cm2.2 c m and 6.6cm.6.6 c m . The ratio of radii of the tubes will be

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