CUET · PHYSICS · PYQ PAPER 2025
To demonstrate the phenomenon of interference, we require two sources, which emit radiation of
- A nearly the same frequency
- B the same frequency
- C different wavelength
- D the same frequency and having definite phase relationship
Answer & Solution
Correct Answer
(D) the same frequency and having definite phase relationship
Step-by-step Solution
Detailed explanation
the same frequency and having definite phase relationship To observe a stable and sustained interference pattern, the two sources of radiation must be coherent. Coherent sources are defined by two main conditions: They must emit waves of the exact same frequency (and thus the…
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