What will be the magnitude and the sign of the focal length when the lens is flipped over?

If you were to stage the play on which casablanca is based, how would you use lighting in your production? describe one scene from the film and the lighting it uses. would you change the lighting in any way for a stage production of the scene? why or why not?

Karan completes a six-year stint as a junior writer in a news company. recently, another company hires him in the role of an assignment editor. what will karan’s key responsibility be as an assignment editor?

Me students can submit canvas in a thick frame for their quality portfolio. true or false