Which property of a body is measured by the amount of matter it contains?

What is the SI unit of energy?

What is the unit of power in the SI system?

Which law states that the current through a conductor is directly proportional to the voltage across it?

Which law of thermodynamics states that energy cannot be created or destroyed only converted from one form to another?

What is the unit of electrical resistance?

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

Which physical quantity is defined as force per unit area?

What is the SI unit of frequency?

What is the approximate speed of sound in air at room temperature?

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