What is the half-life of a reaction? How is the half-life of a first-order reaction related to its rate constant?
Explain the working of a galvanic cell. Describe the role of the salt bridge and how it maintains electrical neutrality.
What is Archimedes’ principle? How does it apply to determine whether an object will float or sink in a liquid?
Define stress and strain. Explain Young’s modulus and its importance in understanding material elasticity.
What is centripetal force? Derive the expression for centripetal force required to keep an object moving in a circular path.
Explain the concept of relative velocity. Solve a problem involving two trains moving in opposite directions with different speeds.
Define dimensional analysis. Use dimensional analysis to derive the relation between force, mass, and acceleration.
Explain the difference between forward and reverse biasing of a diode. How does biasing affect the flow of current in a p-n junction diode?
Define the binding energy of a nucleus. How does the binding energy per nucleon vary with atomic mass number?
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