B. State whether the following statements are true or false, Correct the false statements.
5. Point of origin of earthquakes is called
1. Thunder is heard before the lightning
can be seen
the seismic focus.
2. Electroscope is used to detect whether
6. The mantle is made up of continental
a body possesses charges or not.
and oceanic regions.
3. To charge an ebonite rod, we rub it on
7. It is ok to swim during lightning.
a silk cloth
4. Charging by friction does not require
physical contact.
Answers
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Answer:
1. Thunder is heard before the lightning
can be seen
Explanation:
it obtained there
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