Q1PhysicsUnit 7: Properties of Solids and Liquids
A frame made of metallic wire
enclosing a surface area is covered with a soap film. If the area of the frame of metallic wire is reduced by , the energy of the soap film will be changed by
Physics · JEE
Surface energy and surface tension, angle of contact, excess of pressure across a curved surface Short Tricks for JEE
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Quick answer
Short tricks for Surface energy and surface tension, angle of contact, excess of pressure across a curved surface work only with strong fundamentals. Apply the tips below in timed sets and review every explanation.
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Short tricks for speed
Surface energy and surface tension, angle of contact, excess of pressure across a curved surface focus drill
Solve 15 mixed MCQs for Surface energy and surface tension, angle of contact, excess of pressure across a curved surface, review every explanation, and note formulas you hesitated on.
Dimensional check first
Before solving, verify each term has consistent SI dimensions — eliminates wrong options quickly in JEE MCQs.
Limiting cases
Substitute extreme values (t→0, m→∞, θ→0) to sanity-check your final expression.
Syllabus context
Part of Properties of Solids and Liquids in JEE Main Physics.
- Elastic behaviour, stress-strain relationship, Hooke's Law
- Young's modulus, bulk modulus and modulus of rigidity
- Pressure due to a fluid column, Pascal's law and its applications, effect of gravity on fluid pressure
- Viscosity, Stoke's law, terminal velocity, streamline and turbulent flow, critical velocity
- Bernoulli's principle and its applications
- Surface energy and surface tension, angle of contact, excess of pressure across a curved surface
- Application of surface tension: drops, bubbles and capillary rise
- Heat, temperature, thermal expansion, specific heat capacity, calorimetry, change of state, latent heat
- Heat transfer: conduction, convection and radiation
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Q2PhysicsUnit 7: Properties of Solids and Liquids
is the Sl unit of:
Q3PhysicsUnit 7: Properties of Solids and Liquids
Surface tension of liquid is 70
dyne/cm. Its value in Sl unit is
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