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

Which type of wave does not require a medium to travel?

Which physical quantity is defined as force per unit area?

What is the SI unit of electric current?

What is the unit of electrical resistance?

Which law states that every action has an equal and opposite reaction?

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

What is the SI unit of force?

What is the SI unit of energy?

Which scientist is known as the Father of Physics?

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