Answer:
d = 235 nm.
Explanation:
Let the layer be of glass. Refractive index of glass μ = 1.5. Let the required thickness be d.
For minimum reflection , that is destructive interference in thin films , the condition is
2μd = λ ( for first order)
d = 705 / 2 x 1.5 = 235 nm [ λ =705 nm ]
B. 6,000 J
C. 2,940 J
D. 5,880 J
111.5 newtons
684.1 newtons
4041.7 newtons