MEDIUM
8th CBSE
IMPORTANT
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A charged glass rod attracts a charged plastic straw.

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Important Questions on Some Natural Phenomena

MEDIUM
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 15 - Some Natural Phenomena>Very Short Answer Type Questions>Q 25
_____ is provided in buildings to protect us from electric shocks due to any leakage of electric current.
EASY
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 15 - Some Natural Phenomena>Short Answer Type Questions>Q 26
Why does a plastic comb rubbed with dry hair attract tiny pieces of paper?
EASY
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 15 - Some Natural Phenomena>Short Answer Type Questions>Q 27
How will you charge a glass rod by the method of friction?
EASY
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 15 - Some Natural Phenomena>Short Answer Type Questions>Q 28
How will you charge an inflated rubber balloon by the method of friction?
EASY
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 15 - Some Natural Phenomena>Short Answer Type Questions>Q 29
How will you charge a plastic comb (plastic scale or plastic pen) by the method of friction?
EASY
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 15 - Some Natural Phenomena>Short Answer Type Questions>Q 30
How will you charge a ballpoint pen refill by the method of friction?
MEDIUM
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 15 - Some Natural Phenomena>Short Answer Type Questions>Q 31
What will you observe when the metal top of an electroscope is touched with a glass rod which has been rubbed with silk cloth? Give a reason for your answer.
MEDIUM
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 15 - Some Natural Phenomena>Short Answer Type Questions>Q 32
What will you observe when the metal top of an electroscope is touched with a plastic comb rubbed in dry hair? Give a reason for your answer.