Good School Questions

Most recent answer: 02/02/2017

Q:
1.Explain why one end of a bar of unmagnetized soft iron attract either ends of a compass needle.2.In an experiment to determine the linear expansivity of a metal why is it impracticable to heat the rod directly.3.Briefly explain why the reading of a mercury thermometer with its bulb enclosed in damp muslin differ from that of a similarly exposed but dry thermometer.
- Dantani (age 34)
banjul
A:

We don't answer school questions, but I do think that those are unusually good ones and worth your effort.

Mike W.


(published on 02/02/2017)