CBSE Board Exam 2020: Important MCQs (with Answers) for Class 12 Physics - Chapter 15 - Communication Systems Also useful for JEE Main, WBJEE, UPSEE

Check important MCQs (with Answers) for Class 12 Physics Board Exam 2020 (Chapter 15 -Communication Systems). These MCQs are very useful for other competitive exams like UPSEE 2020, JEE Main 2020, WBJEE 2020 etc.

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