Physics Past Questions and Answers

Which of the following waves requires a material medium for its propagation?

The depolarising agent in a Leclanche cell is?

The material used to slow down the neutrons in a nuclear reactor is

Which of the following statements explain why hot soapy water is more effective in cleaning oil-stained dishes?

An electrical device has 50 turns in its primary coil and 20 turns in the secondary coil. The device can be a\an?