The greenhouse effect describes the a. trapping of heat by water vapor and gases in the atmospere b. long-wave radiation given off by the sun c. short-wave radiation given off by the earth's surface d. the absorption of gamma rays by the ionosphere

In positive numbers less than 1, the zeros between the decimal point and non zero are significant

An initially unpolarized light if intensity 500 w/m^2 passes through four polarizers. the transmission axis between adjacent polarizers is 45∘. what percentage of the initial intensity is transmitted by the system?

Question 1 (5 pts): what is the maximum distance for which you can you resolve the two individual headlights of an on-coming truck as two separate lights rather than one if the headlights are separated by 2.00 m and your eye has a diameter of 1.00 centimeter? assume a wavelength of 500 nm.