MCQ
Four light waves are represented by
$\text{y}=\text{a}_1\sin\omega\text{t}$
$\text{y}=\text{a}_2\sin(\omega\text{t}+\in)$
$\text{y}=\text{a}_1\sin2\omega\text{t}$
$\text{y}=\text{a}_2\sin2(\omega\text{t}+\in)$
Interference fringes may be observed due to superposition of:
- A(i) and (ii)
- B(i) and (iii)
- C(ii) and (iv)
- D(iii) and (iv)
