Question

Already posted this but the person's asnwer was wrong

Which of the following schematic structures depict at least one phase boundary ?

Select all that apply.

a

b

c

d

e

f

g

h

i

Answer 1

In above picture if you consider color as a phse then different colors indicate different phases. The boundry between these phases( i.e different colors) are called phase boundries.

In above figure (b,c,e,f,h,i) all have atleast one phase boundary