1. Two devices that can be used tobreakdown a spectrum into its components are the a. telescope andmicroscope

b. telescope and prism

c. diffraction grating and microscoped. prism and diffraction grating

2. The color cyan is made up of whattwo primary colors?

a. green andblue                  b. green and red

c. red andblue                      d. none of the above

3.

Using the chart above, whatcolor/wavelength could the brain perceive if the eye sends thefollowing code to the brain via the optic nerve?

Type I =0      Type II = 14 Type III = 7

a. 500nm                  b. 525 nm

c. 550nm                  d. 575 nm

4. Which of the following colors isscattered the least in the atmosphere?

a. red

b. green c. blue

d. yellow

5.

The emission spectrum shown above couldbe for light produced by

a. an incandescent light bulb

b. the sun

c. hydrogen gas

d. a green LED

6. White objects appear white becausethey…

a. reflect all wavelengths of visiblelight equally

b. scatter light of all wavelengths ina 360 degree direction c. exhibit total internal reflection

d. absorb all wavelengths of visiblelight equally

7. Lemons appear yellow becausethey…

a. absorb red and green and scatterblue light.

b. absorb blue and scatter red andgreen light.

c. absorb blue and scatter yellowlight.

d. absorb yellow and scatter red andgreen light.

8. A nearsighted person’s eyes

a) refract light too little and focusimages of distant objects in front of the retina.

b) refract light too much and focusimages of distant objects behind the retina.

c) refract light too much and focusimages of distant objects in front of the retina.

d) have pupils that are too small.

9. At present, a compact disc can onlyhold about 1 hour of music. This limit is due in large part to thefact that

a) a compact disc cannot turn fasterthan about 5 turns per second without experiencing a net torque ofzero.

b) light cannot be focused to a spotthat is significantly smaller than its wavelength.

c) the ridges in the aluminum layer ofthe compact disc cannot experience destructive interference unlessthey have a wavelength that is almost equal to the distance betweenthem.

d) a compact disc cannot turn slowerthan about 5 turns per second without experiencing a net torque ofzero.

10. On average, how much sunlight istypically available on the ground of the Earth?

a) 171 Watts per sq. meter.

b) 1368 Watts per sq. meter

c) 174 Petawatts per sq. meter.

d) 11 Watts per sq. meter