EASY
8th CBSE
IMPORTANT
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What is electric discharge?

Important Questions on Some Natural Phenomena

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8th CBSE
IMPORTANT
What is a lightning conductor?
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8th CBSE
IMPORTANT
The spot on the Earth's surface lying just above the focus of earthquake is known as the epicentre.
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8th CBSE
IMPORTANT
The average thickness of a tectonic plate is usually between 50-200 km.
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8th CBSE
IMPORTANT
When a reverse earthquake occurs under a sea, it causes a cyclone. 
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8th CBSE
IMPORTANT
An earthquake of magnitude between 5 and 6 is considered moderate.
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8th CBSE
IMPORTANT
If we are indoors at the time of an earthquake, we should take cover under a table or cot.
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8th CBSE
IMPORTANT
Lightning occurs on a _____ day.
EASY
8th CBSE
IMPORTANT
An ebonite rod rubbed with flannel acquires _____ charge (s).