Sabtu, 10 Desember 2011

ACHIEVEMENT EXAMINATION


1.      An ebonite will be negatively charge if it is rubbed on wool, because ….
a.       Positive charges move from ebonite to wool
b.      Positive charges move from wool to ebonite
c.       Electron moves from wool to ebonite
d.      Electron moves from ebonite to wool
2.      A body has a charge Q of +8C, it is mean .....
a.   The body is in excess of electrons of 8C
b.   The body is in excess of neutrons of 8C
c.   The body lacks electrons of 8C
d.   The body lacks protons of 8C
3.      In electrostatic experiments, protons cannot be gained or lost from an atom because they are ….
a. Tightly bound within orbital     
b.Tightly bound in the nucleus    
c. Positively charged
d.      Negatively charged