Hello Uday,

As per new revised syllabus, there is exclude of Communication system chapter from physics through NCERT in some states. No need to worry much. Still no question is asked from that lesson in JEE-MAINS and even there is very less probability of getting a question from that lesaon.
Personally, my opinion is no question may appear from that chapter.
But still if included then maximum 1 question can be probabled.

Thank you.
Hope you understand my point.
All the best.

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