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Why does a plastic comb rubbed with dry ...

Why does a plastic comb rubbed with dry hair attaract tiny pieces of paper ?

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**Step-by-Step Solution:** 1. **Understanding Static Electricity**: When two different materials are rubbed together, they can transfer electrons from one material to another. This process is known as triboelectric charging. 2. **Rubbing the Comb with Hair**: When a plastic comb is rubbed against dry hair, friction occurs between the two surfaces. This friction causes electrons to move from the hair to the comb. 3. **Charge Distribution**: As the electrons leave the hair, it becomes positively charged because it has lost negatively charged electrons. Conversely, the comb gains those electrons and becomes negatively charged. ...
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LAKHMIR SINGH & MANJIT KAUR-SOME NATURAL PHENOMEAN-EXERCISE
  1. Fill in the following blanks with suitable words : ………………..is provid...

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  2. Fill in the following blanks with suitable words : Lightning is noth...

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  3. Why does a plastic comb rubbed with dry hair attaract tiny pieces of p...

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  4. How will you charge a glass rob by the method of friction ?

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  5. How will you charge an onflated rubber balloon by the method of fricti...

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  6. How will you charge a plastic comb (plastic scale or plastic pen) by t...

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  7. How will you charge a ballpoint pen refill by the method of friction ?

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  8. Explaint why, a charged body loses its charge when we touched it with ...

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  9. What happens when the two plates of earth's crust moving in opposite d...

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  10. What happens when two moving plates of earth's crust collide head on w...

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  11. 100001 is a prime number or not ?

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  12. Explain why , it might be dangerous to raise an umbrella over head in ...

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  13. A person is in open space during a thunderstorm with no shelter (not e...

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  14. Suggest three measures to protect ourselves from lightning.

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  15. Where is the upper end of the lightning conductor fixd in a building ?

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  16. Where is the lower end of the lightning conductor fixd and how ?

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  17. What precautions would you take to protect yourself during an earthqua...

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  18. What precautions would you take to protect yourself during an earthqua...

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  19. State any two precuations which should be observed by people living in...

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  20. What is an electroscope?

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