Chapter 7 Visible Light 1-11

Fill in the blank: The visible spectrum is a part of the ____ spectrum.

• Sound

• Electromagnetic

• Mechanical

• Thermal

Fill in the blank: The visible spectrum includes colors such as red, orange, yellow, green, blue, indigo, and ____.

• A) Black

• B) White

• C) Violet

• D) Pink

What happens to light when it enters a prism?

• A) It speeds up

• B) It slows down

• C) It bends

• D) It disappears.

Which of the following has the lowest energy?

• X-rays

• Ultraviolet

• Visible light

• Radio waves

Which of the following is true about visible light?

• It has the longest wavelength

• It is not visible to the human eye

• It is between infrared and ultraviolet

• It has the highest energy.

Fill in the blank: For an object to be visible, it must produce its own light or _______ light.

• A) Absorb

• B) Reflect

• C) Emit

• D) Block

Fill in the blank: A material that transmits light is called ________.

• Opaque

• Transparent

• Translucent

Fill in the blank: Wax paper and frosted glass are examples of ________ materials.

• Opaque

• Transparent

• Translucent

Light can be ______ when it hits a surface.

• Reflected

• Diffused

• Refracted

• Absorbed

Which of the following is an example of light diffusion?

• A) Light bouncing off a mirror

• B) Light spreading through fog

• C) Light bending in water

• D) Light absorbed by a black shirt.