Which law of thermodynamics states that heat naturally flows from a hotter body to a cooler body?

Which phenomenon occurs when light bends around the edges of an obstacle or aperture?

Which fundamental force is responsible for radioactive beta decay?

What is the phenomenon of resonance in physics?

What type of lens is thicker at the centre than at the edges?

What is the critical angle in optics?

Which particle in an atom has no electric charge?

Which device uses the piezoelectric effect to produce ultrasonic waves?

What is the SI unit of force?

Which type of energy is stored in a compressed spring?

Which type of spectrum is produced when white light passes through a prism?