Ultraviolet Upright

Ultraviolet Upright
questions about light?

1.which of the following electromagnetic radiation causes certain substances to fluoresce
a.ultraviolet rays
b.infared waves
c.x rays
d.cosmic rays
2.if a 72-candela light source is located @ a distance of 3meters from the surface the illuminance on the surface is
a.8lux
b.24lux
c.216lux
d.648lux
3.if ur driving toward the sun in late afternoon u can reduce the glare by sunglasses that permit only the passage of light thats
a.polarized in a vertical plane
b.polarized in a horizontal plane
c.dispersed in a vertical plane
d.dispersed in a spherical pllane
4.the unit for measuring the rate @ which light energy is radiated from a source is
a.angstrom
b.lux
c.lumen
d.candela
5.compared to yellow light, orange light has
a.same frequency
b.faster wave velocity
c.longer wave lenght
d.different polarization
6.the image formed by a convex spherical mirror will always be
a.inverted & smaller than the object
b.upright & smaller
c.inverted & larger
d.upright & larger

Looks to me like you want answers to either a homework paper or quiz or exam. Is it open book? If so then I will repost and reply. But I suggest you just use the internet and books as the fella before me stated and try it yourself. There is nothing more gratifying than knowing you did it yourself.