Mechanics
The SI unit of force.
What is a newton (N)?
Heat transfer through solids.
What is conduction?
Speed of light in vacuum.
What is 3 × 10⁸ m/s?
Unit of resistance.
What is an ohm (Ω)?
Positively charged particle.
What is a proton?
The rate of change of velocity.
What is acceleration?
Absolute zero is 0° on this scale.
What is the Kelvin scale?
Light bending around obstacles.
What is diffraction?
Device that increases voltage.
What is a step- up transformer?
Splitting a nucleus.
What is nuclear fission?
The energy stored in a stretched spring.
What is elastic potential energy?
Heat needed to melt 1kg of ice.
What is specific latent heat of fusion?
Lens that diverges light.
What is a concave lens?
Rule for induced current direction.
What is Fleming’s Right-Hand Rule?
Einstein's mass-energy equation.
What is E = mc²?
Newton's First Law is also called this.
What is the Law of Inertia?
Gas law: P ∝ T at constant volume.
What is the Pressure Law?
Sound wave property tied to frequency.
What is pitch?
Material with no free electrons.
What is an insulator?
Most penetrating radiation.
What is gamma radiation?
Mass × velocity = ?
What is momentum?
Device: thermal → mechanical energy.
What is a heat engine?
Angle where total internal reflection begins.
What is the critical angle?
Current that reverses direction.
What is AC (alternating current)?
Discoverer of the atomic nucleus.
Who is Ernest Rutherford?