When red light illuminates a grating with 7000 lines per centimeter, its second maximum is at 62.4°. What is the wavelength of this light?
ans: 633nm
the answer is 1a as rearrange gives I = v divided by r
I personally don't (I can't speak for others tho) but I say right twix is better for the memes
1.commensalism
2. pred-prey
3. parasite-host
4.commensalism
