Physics · JEE

Application of surface tension: drops, bubbles and capillary rise Previous Year Questions for JEE

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Syllabus context

Part of Properties of Solids and Liquids in JEE Main Physics.

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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

3 \mathrm{cm}

is charged with surface charge density

\sigma

such that

\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 \times

10^{-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

20 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

2.2 c m

and

6.6 c m .

The ratio of radii of the tubes will be

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Frequently asked questions

Why practise PYQs for Application of surface tension: drops, bubbles and capillary rise?

PYQs reveal recurring concepts, common traps, and the difficulty level JEE expects. Solving them builds exam temperament and time management.

Does Goodmarks have actual JEE past papers?

Our bank includes exam-style MCQs aligned with JEE Main Physics syllabus for Application of surface tension: drops, bubbles and capillary rise, covering the same topics as previous year papers.

How should I use PYQs for Properties of Solids and Liquids?

Solve timed sets, review every explanation, note weak subtopics, then revisit with focused practice on Goodmarks.

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