4-26-24 Ch 12 sec 2

Which of the following colors of visible light has the longest wavelength?

• Yellow

• Blue

• Red

• Violet

Which of the following colors of visible light has the shortest wavelength?

• yellow

• blue

• red

• violet

What determines the color of an object?

• The wavelength of light it absorbs.

• The wavelength of light it reflects.

• The index of refraction of the object.

• The index of diffraction of the object.

A green leaf absorbs all colored light but what?

• red

• blue

• green

• yellow

If a transparent blue filter is placed over a camera lens, what happens to visible light entering it?

• All colors of visible light pass through the filter and enter the camera lens.

• Blue light is transmitted by the filter to the camera, and other colors of light are absorbed by the filter.

• Blue light is absorbed by the filter, and the other colors of visible light enter the camera lens.

• Blue light is reflected by the filter away from the camera, and the other colors of visible light enter the camera.

The part of the eye that focuses the light is called the __________.

• pupil

• lens

• iris

• retina

The part of the eye that contains rods and cones __________.

• pupil

• lens

• iris

• retina

Which of the following types of cells is located in the retina?

• cone

• olfactory

• conjunctiva

• sclera

Which of the following cells is most useful at night?

• rod

• red cone

• green cone

• blue cone

A ________ is a colored material that absorbs some colors and reflects others.

• pigment
• filter

• laser

• prism