Ascreen is placed between two lamps so that they illuminate the screen equally. the first lamp emits a luminous flux of 1375 lm and is 5 m from the screen. what is the distance of the second lamp from the screen if the luminous flux is 2167 lm? answer in units of m.

Unpolarized light whose intensity is 1.19 w/ is incident on a polarizer. (a) what is the intensity of the light leaving the polarizer? (b) if the analyzer is set at an angle of = 41.0∘ with respect to the polarizer, what is the intensity of the light that reaches the photocell?

Hey student studies gravity using objects that have the same mass which two objects have the greatest gravitational force acting between them a. 100kg 1.0m 100kg b. 100kg 2.0m 100kg c. 100kg 2.0m 100kg big d. 100kg big 3.0m 100kg big

If two parallel light rays hit a mirror, they will not be parallel to each other after they reflect.