CBSE 2024 · Region 3 · Set 3 · Q19 · 2 marks
What is a sustained or stable interference pattern ? What are the conditions for obtaining such an interference pattern?
Marking-scheme solution
When position of maxima and minima is not changing with time, interference pattern is called sustained or stable interference.
Light sources must be coherent
Possibility of emission of electron
\(\displaystyle E=\frac{h c}{\lambda}\)Wave OpticsInterference of Light Waves and Young’s ExperimentUnderstandvery_short_answermedium
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CBSE Class 12 Physics past-paper question from the 2024board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.