Recent content by partly

lol. ..I wasn't really contradicting though.

I expect they'd be looking for a good all round planet located in the Goldilocks Zone, as a new home ..or second home (for which they could claim back expenses). What's wrong, imo, is to assume that we would understand all the possible needs of an alien civilization. There could be a number of...

I had the wrong figures in my head for the wavelength of visible light. My answer fits in there quite comfortably as it happens. Thanks for your reply ..and thanks for your welcome too. Long time lurker, first time poster :smile:

Homework Statement For light from a discharge lamp, the first-order bright fringe is observed at a perpendicular distance of 2.35cm from the mid-point of the slits, when the slit-to-screen distance is 1.2m and the slit separation is 0.03mm. What is the wavelengh of the light from the lamp...