- What are beats? Derive an expression for beat frequency.
- How is it that one can recognize a friend from his voice without seeing him?
- What is polarization of light? State and prove Brewster's law.
- Is polarization possible for longitudinal wave?
- What is meant by wattless current?
- What are advantages of a.c over d.c.?
- Derive the condition for resonant frequency of LCR alternating current circuit.
- What is noise pollution? Mention its sources and preventions.
Then, we'll learn about forces, momentum, energy, and other concepts in lots of different physical situations.
Wednesday, 7 February 2018
Physics homework XII-11th February Sunday
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