Four independent light waves are expressed as y1=a1sinω t,y2=a2sinω t,y3=a3cosω t and y4=a4sin(ω t + π / 3). The interference is possible between

Question

Four independent light waves are expressed as y1=a1sinω t,y2=a2sinω t,y3=a3cosω t and y4=a4sin(ω t + π / 3). The interference is possible between (A) 1 and 3 (B) 1 and 4 (C) 3 and 4 (D) Not possible at all

Tardigrade Admin · Accepted Answer

Independent light waves can never be coherent.

Q. Four independent light waves are expressed as $y_{1} = a_{1} s inω t, y_{2} = a_{2} s inω t, y_{3} = a_{3} cos ω t$ and $y_{4} = a_{4} s in (ω t + π /3) .$ The interference is possible between

$1$ and $3$

$1$ and $4$

$3$ and $4$

Not possible at all

Independent light waves can never be coherent.

Q. Four independent light waves are expressed as y1​=a1​sinωt,y2​=a2​sinωt,y3​=a3​cosωt and y4​=a4​sin(ωt+π/3). The interference is possible between

1 and 3

1 and 4

3 and 4

Not possible at all

Independent light waves can never be coherent.

Q. Four independent light waves are expressed as $y_{1} = a_{1} s inω t, y_{2} = a_{2} s inω t, y_{3} = a_{3} cos ω t$ and $y_{4} = a_{4} s in (ω t + π /3) .$ The interference is possible between

$1$ and $3$

$1$ and $4$

$3$ and $4$