Physics Concepts

What is the branch of physics that deals with the motion of objects and the forces acting on them?

• Quantum Mechanics

• Thermodynamics

• Astrophysics

• Classical Mechanics

Which law of thermodynamics states that energy cannot be created or destroyed, only transformed or transferred?

• Zeroth Law of Thermodynamics

• Law of Conservation of Mass

• Second Law of Thermodynamics

• First Law of Thermodynamics

What is the unit of electric current?

• Joule

• Ampere (A)

• Volt

• Ohm

What type of lens can converge light rays to a single point?

• Convex lens

• Flat lens

• Diverging lens

• Concave lens

What is the process by which unstable atomic nuclei lose energy by emitting radiation?

• Chemical reaction

• Atomic bonding

• Nuclear fusion

• Radioactive decay

What is the SI unit of force?

• Meter

• Newton (N)

• Joule

• Kilogram

According to Ohm's Law, what is the relationship between voltage, current, and resistance in an electrical circuit?

• V = R / I

• V = I * R

• V = I / R

• V = I + R

What type of mirror can form both real and virtual images?

• Convex mirror

• Plane mirror

• Concave mirror

• Magnifying mirror

What is the phenomenon where a wave changes direction as it passes from one medium to another?

• Refraction

• Diffraction

• Reflection

• Absorption

What is the term for the splitting of an atomic nucleus into two smaller nuclei?

• nuclear fission

• nuclear fusion

• atomic division

• atomic fusion

• nuclear fusion