Light and Optics Quiz

What is the angle between the incident ray and the normal line called?

• Angle of Reflection

• Angle of Refraction

• Angle of Incidence

• Angle of Emission

Which of the following is a man-made light source?

• Sun

• Firefly

• Light Bulb

• Star

What is the process of emitting light by living organisms called?

• Chemiluminescence

• Bioluminescence

• Phosphorescence

• Incandescence

What is the principle stating that the angle of incidence is equal to the angle of reflection?

• Law of Refraction

• Law of Reflection

• Law of Diffraction

• Law of Emission

Which term describes a material that does not allow light to pass through?

• Transparent

• Translucent

• Opaque

• Reflective

What is a natural light source?

• LED

• Candle

• Sun

• Flashlight

What is a plane mirror?

• A mirror that absorbs light

• A flat, smooth mirror that reflects light to form an image

• A mirror that bends light

• A mirror that transmits light

What is radiant energy?

• Energy stored in chemical bonds

• Energy transmitted in the form of electromagnetic waves, such as light or heat

• Energy from nuclear reactions

• Energy from sound waves

What does the term "radiates" mean?

• To absorb energy

• To emit or send out energy in the form of rays or waves

• To reflect energy

• To store energy

What is a ray diagram used for?

• To measure the intensity of light

• To represent the direction and behavior of light using lines

• To calculate the speed of light

• To change the color of light