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प्रश्न
Briefly describe the structure of an atom.
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
Match the following
| Column A | Column B |
| Electric power | volt |
| kWh | joule |
| Electric current | volt × ampere |
| Electric energy | watt |
| watt | ampere |
| potential difference | electrical energy |
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When a comb is rubbed with dry hair both comb and paper get similarly charged.
A conductor has a large number of free electrons.
When an uncharged conductor is brought in contact with the disc of a gold leaf electroscope, its leaves ....................
A gold-leaf electroscope is to be charged positively by conduction. For this
A glass rod is rubbed with silk. State the kind of charge acquired by each.
A glass rod rubbed with silk is suspended near an ebonite r rod rubbed with fur. What will be your observation? Give a reason to your answer.
A positively charged glass rod is touched with the disc of an uncharged gold leaf electroscope. What will be your observation?
