ANSWERS
The rainbow is an arc of colored light centered around - correct answers ✔✔the observers shadow
In a rainbow, each color emerges at different angles: red light emerges at 42 degrees, blue light at -
correct answers ✔✔smaller angle
In reflection, if the surface is smooth and mirror-like, the reflection is - correct answers ✔✔specular
If we look at the ground on a sunny day, the shadow of our head marks the - correct answers
✔✔antisolar point
If the raindrops were made of a material whose refractive index was independent of wavelength (n =
constant), the rainbowwould - correct answers ✔✔be white
When observing a rainbow the region within the rainbow is - correct answers ✔✔lighter than the sky
outside the rainbow
In blue sky, the light is simply scattered sunlight. The size of the scattering particles compared to the
wavelength of light is - correct answers ✔✔smaller
When you have two rainbows, the outer ring of the second (outer) rainbow is - correct answers ✔✔blue
The rainbow is produced by sunlight reflecting from raindrops. The raindrops also are - correct answers
✔✔refracting and dispersing
As light is reflected from raindrops, each color emerges at - correct answers ✔✔a different angle
, In the Blue Sky Activity, What color was the light coming out if you were staring directly at the flashlight
through the glass? - correct answers ✔✔redish or yellow
When you make your own rainbow with a sprinkler or light reflected off a bottle, what is the outer color?
- correct answers ✔✔red
White light can be made with 3 colored light sources. The three colors are - correct answers ✔✔red,
green and blue
Light of a single color can be described as - correct answers ✔✔a wave with a specified wavelength
a photon with a specific energy
When unpolarized light is incident on a glass plate, some of the light is reflected and the rest is - correct
answers ✔✔refracted
A pair of complementary colors are - correct answers ✔✔blue and yellow
If you project colored lights on all walls using flashlights and a filter, you can obtain yellow with - correct
answers ✔✔red and green lights
If you look at a computer monitor with a high-power magnifier in the Optics Kit (lens B), the patterns
your observe are - correct answers ✔✔red blue green
The minimum number of colors used to produce colors and white in your TV set are - correct answers
✔✔3
The conservation of angular momentum in light emission applies to - correct answers ✔✔xrays and
infrared radiation
Circularly polarized light reflected at the Brewster angle from a flat sheet of glass will be - correct
answers ✔✔fully polarized