GreenTea09 Messages 14 Reaction score 0 Thread starter Nov 17, 2013 #1 Lumda λ = 1.42 i tried to make m the subject and substituting Eqn 1 with Eqn 2 but end up getting stucked here everytime..
Lumda λ = 1.42 i tried to make m the subject and substituting Eqn 1 with Eqn 2 but end up getting stucked here everytime..
SteamKing Staff Emeritus Science Advisor Homework Helper Messages 12,828 Reaction score 1,673 Nov 17, 2013 #2 Try taking equations 1 and 2 from the OP and squaring each first. That gets rid of the square root. You can solve Equation 1 for λ^2 and then substitute this into Eq. 2. You should then be able to solve for m in terms of n. This is called eliminating the common factor.
Try taking equations 1 and 2 from the OP and squaring each first. That gets rid of the square root. You can solve Equation 1 for λ^2 and then substitute this into Eq. 2. You should then be able to solve for m in terms of n. This is called eliminating the common factor.
GreenTea09 Messages 14 Reaction score 0 Nov 17, 2013 #3 ive tried,there is a (m+1/2)λ which makes my elimination of m isn't possible(at least for me).. i tried squaring both sides for equation(2) which ends up with a m^2*λ^2 + mλ^2 ...
ive tried,there is a (m+1/2)λ which makes my elimination of m isn't possible(at least for me).. i tried squaring both sides for equation(2) which ends up with a m^2*λ^2 + mλ^2 ...