Physics Past Questions and Answers

Uranium-234 disintegrated to form Thorium-230 by emitting

The change in mass of fuel during a nuclear reaction is 2.0 x 10<sup style='font-size: smaller;'>-27</sup> kg. Calculate the amount of energy released. (Speed of light = 2.0 x 10<sup style='font-size: smaller;'>8</sup>ms<sup style='font-size: smaller;'>-1</sup>)

Nuclear fusion is not used as a source of enegy because

Using the circuit diagram above. Calculate the total charge in the circuit

Using the circuit diagram above. Calculate the potential difference across the capacitors in parallel