Test 1

Question 1

Q1

Answer 1

𝜋W_z^2
z(R) = W_z_R = sqrt2 W0
F(z_R) = 0.5J / (𝜋x2x(0.01m)^2 = 795.77J/m^2

Question 2

Q2

Answer 2

W(Z)=W_0[1+(Z/Z_0)^2]^0.5
W_0= (𝜆z0 /