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The necessary condition for phenomenon of interference to occur is
  • a)
    There should be two coherent sources.
  • b)
    The frequency and amplitude of both the waves should be same
  • c)
    The propagation of waves should be simultaneously and in same direction
  • d)
    All of the above
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
The necessary condition for phenomenon of interference to occur isa)Th...
The necessary condition for phenomenon of interference to occur are:
1. There should be two coherent sources.
2. The frequency and amplitude of both the waves should be same.
3. The propagation of waves should be simultaneously and in same direction.
These are the conditions, no explanation.
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Most Upvoted Answer
The necessary condition for phenomenon of interference to occur isa)Th...
Interference is a phenomenon that occurs when two waves meet each other and their amplitudes add or subtract. The necessary condition for interference to occur is:

Coherent Sources
- There should be two coherent sources.
- Coherent sources are those sources which emit waves of the same frequency and with a constant phase difference.
- If the sources are not coherent, then interference cannot occur.

Same Frequency and Amplitude
- The frequency and amplitude of both the waves should be the same.
- If the frequencies are different, then the waves will not interfere with each other.
- If the amplitudes are different, then the waves will interfere, but the interference pattern will be different.

Simultaneous Propagation in Same Direction
- The propagation of waves should be simultaneous and in the same direction.
- If the waves are propagating in different directions, then they will not interfere with each other.
- If the waves are not propagating simultaneously, then the interference pattern will be different.

All of the Above
- The necessary condition for the phenomenon of interference to occur is all of the above.
- Coherent sources, same frequency and amplitude, and simultaneous propagation in the same direction are all essential for interference to occur.
- If any of these conditions are not met, then interference will not occur.
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Community Answer
The necessary condition for phenomenon of interference to occur isa)Th...
Answer should be none of the above

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The necessary condition for phenomenon of interference to occur isa)There should be two coherent sources.b)The frequency and amplitude of both the waves should be samec)The propagation of waves should be simultaneously and in same directiond)All of the aboveCorrect answer is option 'D'. Can you explain this answer?
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