When you rub a plastic rod against your hair several times
and put it near some bits of paper, the pieces of papers are attracted towards
it. What does this observation indicate:
An object gains excess negative charge after being rubbed
against another object, which is:
The angle at which prism deviates the incident ray is
called:
In compound microscope, the objective have focal length than
eye-piece:
According to coulomb’s law, what happens to the attraction
of two oppositely charged objects as their distance of separation increases:
A converging lens becomes a magnifying glass when an object
is placed:
