Match the following:
Column A 1. Lodestone 2. Electromagnet 3. Pitch 4. Paper 5. Naphthalene balls 6. Wood Column B a) shrill sound b) Absorbs sound c) Insulator d) Natural magnet e) Temporary magnet f) Undergo sublimation
The charge on a charged sphere is: a)concentrated at its centerb)distributed uniformly throughout its volumec)clustered on its centerd)distributed uniformly over its surface
Identify the theory that can be used to explain each phenomenon. answers diffraction: wave theory interference: wave theory reflection: both particle and wave theories refraction: both particle and wave theories