Four light waves are represented by
`i. y=a_1sin omegat`
ii. `y=a_2sin(omegat+epsilon)`
iii. `y=a_1sin 2omegat`
iv.` y=a_2sin2(omegat+epsilon)` Inteference fringes may be observed due to superposition of

Options

A. (i) and (ii)
B. (i) and (iii)
C. (ii) and (iv)
D. (iii) and (iv).

Answer

A, D