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प्रश्न
Briefly describe the structure of an atom.
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उत्तर
STRUCTURE OF ATOM:
Atom: has an equal number of +ve charge (protons) and -ve charge electrons and hence atom has no charge.
Neutrons (having no charge) and protons are present in the nucleus. Electrons keep revolving around the nucleus in different shells.
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संबंधित प्रश्न
All metals are insulators of electricity.
When an ebonite rod is rubbed with fur, the electrons move from ebonite to fur.
A conductor has a large number of free electrons.
What causes the charging of two objects when they are rubbed together?
An ebonite rod is rubbed with fur. Explain the charging of the ebonite rod and the fur on the basis of electron movement.
State two ways of charging a conductor.
What is an electroscope?
How will you use a pith ball electroscope to find out whether the charge on a charged body is positive or negative?
How will you use a gold leaf electroscope to find out whether the charge on a charged body is positive or negative?
A negatively charged ebonite rod is touched with the disc of a negatively charged gold leaf electroscope. What will be your observation?
