CBSE 11 Physics · Lab
Practicals and Activities
CBSE Class 11 Physics practical viva voce and laboratory-skill practice: apparatus familiarity, measurement instruments, mechanics experiments, thermal and fluid experiments, sonometer, resonance tube, graph work, precautions, activities, project reasoning, and viva responses.
Test yourself
A focused, distraction-free run through 25 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 Lab.1
Apparatus and Measurement Viva
Vernier calipers, screw gauge, spherometer, beam balance, least count, zero correction, significant figures
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Topic Lab.2
Mechanics Practical Viva
Parallelogram law, simple pendulum, friction, inclined plane, projectile range, rolling-ball energy conservation
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Topic Lab.3
Elasticity, Fluids and Thermal Viva
Young's modulus, helical spring, Boyle's law graphs, capillary rise, viscosity, cooling curve, calorimetry, bimetallic strip
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Topic Lab.4
Sonometer and Resonance Tube Viva
Frequency-length relation, length-tension relation, tuning forks, resonance positions, end correction, speed of sound
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Topic Lab.5
Record, Activity, Project and Viva Protocol
Official practical record requirements, graph scales, best-fit lines, precautions, project reasoning, viva communication