ECAT Engineering Exams Quizzes MCQs Quizzes ECAT Engineering Entry Test 2017 Physics Physical Optics 2

Question:
If ‘d’ ‘m’ and fringe spacing ∆Y are known, the interference effect due to light of λ

Option A):
Can be determined
Option B):
Can be determined in same cases
Option C):
None of these
Option D):
Cannot be determined

Correct Answer is Option A):
Can be determined