Recent content by SHAWN JAMES

i'm sorry for my stupidity, but I'm still confused.

helloooo?

One beam travels twice through the glass container of thickness t. thus corresponds to 2t/λgas wavelengths. The other beam travels through an equal amount of air, but because of the different index this corresponds to 2t/λair wavelengths. The difference in these is the cause of the shift in...

i'm honestly not sure why one divides by 2. but m stands for fringes and for dark fringes you divide by 2?

OHHH! i understand now thank you.

yes I guess you could solve for bright fringes but why would use bright fringes instead of dark fringes when the question tells you about the dark fringes?

hi, i understand how to get to this equation, and this is the equation that gives the answer. However, the question asks for dark fringes which is destructive interference? would you not use m/2? so instead of the denominator (2*t) would it not be (4*t)? thanks in advance!

hi, i know you have to use 2t/lambda= m/2 to get the answer of 10.9 um. However i was taught that there would be phase difference caused by reflection, since n1(air)< n2(glass). SO the equation in my head would be 2t/lambda - 1/2= m/2. Can someone explain why I'm wrong?

I thought if the question asks for the first minimum or the first dark fringe you use (m+1/2) but i am not getting the right answer. I was hoping if someone could tell me in what situations the (m+1/2) would apply? Thanks in advance.

i'm thinking of differentiating the inside of both sin functions but I'm not sure what to do with the sin. if anything, I'm new to this sort of uncertainty calculation. I have calculated the uncertainty and values for both Dm and a in advance.