is Communication System there for Board 2020?
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Based on the marks in CBSE Class 12 Board Exam 2021, students can choose their desired stream. The Class 12 exam is conducted by various boards like CBSE, ICSE, or State Boards annually.
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Physics Exam Pattern and Weightage.
Unit Chapter / Topic Marks
Communication Systems 12
Chapter-15: Communication Systems
Total 70
Explanation:
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