Black objects a) produce no light. b) absorb all photons that hit their surface. c) reflect all photons that hit their surface. d) produce one color...

17.Black objects

a) produce no light.

b) absorb all photons that hit their surface.

c) reflect all photons that hit their surface.

d) produce one color of light, just like a laser.

18.The oldest light source that produces a black body spectrum is

a) microwave light from the big bang.

b) visible light the sun.

c) ultraviolet light from the sun

d) gamma ray light from the big bang.

19."lambda" is the greek letter that represents

a) temperature of a light source.

b) the speed of light.

c) wavelength of the electromagnetic wave.

d) Planck's constant.

20.If you illuminated parsley spice with a light source that contained no green light, the parsley would

a) appear black

b) appear white

c) appear green

21.Human perception allows us to see stars as either red, white, or blue. Which stars will appear reddish?

a) stars with lower surface temperatures

b) stars with higher surface temperature

22.The shape of a blackbody curve has the same mathematical form, regardless of the temperature of the light source.

a) True

b) False

23.From Wein's Law, you can mathematically derive the Stefan-Boltzmann law.

a) True

b) False

24.Planck's radiation law says that the energy in the form of light, that a light source produces, depends on the amount of mass of the source.

a) True

b) False

25.A black body spectrum allows you to relate the temperature of a light source to the distribution of light it produces.

a) True

b) False