Physics Quiz

What is the angle of incidence equal to when a ray of light is reflected from a surface?

• Angle of reflection

• 90 degrees

• Angle of refraction

• None of the above

In a series circuit, what happens to the total resistance as more resistors are added?

• Decreases

• Increases

• Remains the same

• Depends on the type of resistors

What force opposes the motion of objects moving through air or another fluid?

• Gravitational force

• Frictional force

• Tension force

• Magnetic force

The density of an object is calculated by dividing its mass by what other quantity?

• Volume

• Weight

• Density constant

• Surface area

What is the phenomenon where light bends as it passes from one medium to another?

• Reflection

• Refraction

• Dispersion

• Diffraction

In a parallel circuit, what happens to the total resistance as more resistors are added?

• Decreases

• Increases

• Remains the same

• Depends on the type of resistors

When an object is in equilibrium, what can be said about the sum of all forces acting on it?

• Zero

• Positive

• Negative

• Infinite

Which of the following materials has the highest density?

• Wood

• Ice

• Lead

• Styrofoam

What color does an object appear if it reflects all colors of light?

• Red

• White

• Black

• Blue

What is the unit of measurement for electrical current?

• Watts

• Volts

• Amperes

• Ohms