Physics Concepts Quiz

What is the SI unit of energy?

• Joule

• Watt

• Volt

• Newton

Fill in the blank: Energy can neither be created nor __________.

• constructed

• vanished

• destroyed

• generated

Which type of energy is stored in a stretched rubber band?

• Elastic potential energy

• Nuclear energy

• Chemical energy

• Kinetic energy

What is the formula for calculating electrical power?

• Power (P) = V x I

• Power (P) = V - I

• Power (P) = V / I

• Power (P) = V + I

True or False: Protons have a positive charge.

• Negative

• Neutral

• False

• True

What is the charge of an electron?

• 1.6 x 10^-18 C

• -1.6 x 10^-19 C

• -1.6 x 10^-20 C

• 0 C

What is the atomic number of carbon?

• 6

• 7

• 8

• 5

Fill in the blank: The nucleus of an atom contains protons and __________.

• Electrons

• Photons

• Molecules

• Neutrons

What is the charge of a neutron?

• Neutrons have a variable charge.

• Neutrons have no charge.

• Neutrons have a negative charge.

• Neutrons have a positive charge.

Which subatomic particle is responsible for the mass of an atom?

• electron

• neutron

• photon

• proton