Explain the trend in atomic radius across a period and down a group in the periodic table.
Describe simple harmonic motion. Derive the expression for the time period of a simple pendulum.
Define specific heat capacity. Explain how it is different from the heat capacity of a substance.
Define Young’s modulus and explain how it is used to measure the elasticity of a material.
State the first law of thermodynamics. Describe its application in an isothermal process.
Derive the expression for the gravitational potential energy of a mass m at a height h above the Earth’s surface.
Define kinetic energy and derive its expression in terms of mass and velocity.