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Discuss why lightning is always accompan...

Discuss why lightning is always accompanied by thunder.

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When an extremely hot electric discharge passes through the sky, the air surrounding it expands instantly due to heat which sends out a large vibration in the sky and we hear it as an explosion called thunder.
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PEARSON IIT JEE FOUNDATION-SOME NATURAL PHENOMENA-CLASSROOM CORNER (SHORT ANSWER TYPE QUESTIONS)
  1. Give reasons for each of the following. The leaves of an electroscop...

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  2. Give reasons for each of the following. We should always stay away f...

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  3. Discuss why lightning is always accompanied by thunder.

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

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  5. What is the safest thing to do when caught by a thunderstorm in an ope...

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  6. Is it safe to be in a metal building during a thunderstorm? Justify yo...

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  7. Discuss what will happen when two bodies are rubbed together.

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  8. Explain what happens when a plastic rod is rubbed with a dry cloth

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  9. Discuss why does a plastic rod become negatively charged when rubbed w...

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  10. How can you tell if an electroscope is positively or negatively charge...

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  11. What happens when a glass rod is rubbed with wool?

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  12. What is the charge on a glass rod rubbed with silk?

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  13. We should stay away from bridges and tall buildings during an earthqua...

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  14. Explain why a wall attracts a charged rubber balloon towards itself.

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  15. Where is the safest place to be during a lightning storm? Discuss the ...

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  16. Is it safe to be in a car during a thunderstorm? Comment

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  17. What happens when you rub a copper rod with a cloth?

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  18. Explain why do bodies get electrified when they are rubbed together fo...

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  19. Suppose you are outside your home and earthquake strikes. What precaut...

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  20. Explain why a charged balloon is repelled by another charged balloon w...

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