CBSE 11 Physics · U7
Properties of Bulk Matter
CBSE Class 11 Physics Unit VII: mechanical properties of solids, mechanical properties of fluids, thermal properties of matter, viscosity, surface tension, calorimetry, heat transfer, and Newton's law of cooling.
Test yourself
A focused, distraction-free run through 40 multiple-choice questions. Hints if you need them; your score at the end.
Difficulty guide
The label describes the problem, not your ability.
1/5 - Foundational
Warm-up setup; checks one basic idea.
2/5 - Routine exam skill
Normal syllabus skill; usually one main rule or interpretation.
3/5 - Standard multi-step
Exam-style problem with multiple steps or a common trap.
4/5 - Hard exam skill
High-end exam problem; combines methods carefully.
5/5 - Challenge
Stretch problem beyond normal exam pressure.
Topic 7.1
Elasticity and Stress-Strain
Stress, strain, Hooke's law, Young's modulus, elastic energy, and interpretation of stress-strain graphs.
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Topic 7.2
Fluid Pressure and Pascal's Law
Pressure in fluids, gauge pressure, hydraulic machines, barometers, and pressure variation with depth.
Topic 7.3
Buoyancy, Continuity and Bernoulli's Principle
Archimedes' principle, floating bodies, equation of continuity, Bernoulli's theorem, Torricelli speed, and applications.
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Topic 7.4
Viscosity and Surface Tension
Stokes' law, terminal velocity, Reynolds number, streamline and turbulent flow, surface energy, excess pressure, and capillary rise.
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Topic 7.5
Thermal Properties and Heat Transfer
Thermal expansion, calorimetry, change of state, specific heat, latent heat, heat transfer, and Newton's law of cooling.
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