Have a look at this.
http://www.matter.org.uk/schools/content/interference/formula.html"
I follow the derivation of the formula. However it seems to follow from the diagram that:
λ=ssin(arctan(w/D))
Without the need for the approximation sinx ≈ tanx.
I can't see how this can be true...
hi there,
now I've been googling around for ages now trying to find this answer but i cant
i have read time and time again that a nucleus always has less mass than the sum of the masses of the nucleons in it. This is put down to the binding energy, this is where i get confused
surely if it...
hi there,
i have written a small program in C++ and if the user puts in the wrong values for some of the variables the operation will end up trying to square root a negative number and this returns that the answer is not a number
can anyone show me how to write an if function that if...