Central Board of Secondary Education
Class – XII (Year 2011)
Subject – Physics - SET - 1
(i) All questions are compulsory.
(ii) Marks for each question are indicated against it.
(iii) Use of Calculators is not permitted.
- How are radio waves produced ?
- Write any two characteristic properties of nuclear force.
- Draw a labelled diagram of a full wave rectifier circuit. State its
working principle. Show the input- Output waveforms.