<em>number of waves that pass a given point in one second is called <u>frequency..</u></em>
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Option A
A climate crisis is occurring in California where sudden forest fires occur due to this .
I believe that the answer is A but correct me if i’m wrong
Answer:
Explanation:
On rubbing a glass rod with silk, the electrons from the glass rod get transferred to the silk. The silk now has an excess of electrons and so is negatively-charged. On the other hand, the glass rod is deficient in electrons and hence is positively-charged.
In the above case, the silk undergoes negative electrification.
Now, when the positively charged glass rod is touched on the disc of a negatively charged gold leaf electroscope, the electrons shifts towards rod, hence amount of charge on gold leaves decreases and the divergence between the gold leaves decreases as unlike charges attract each other.
Hence, the divergence decreases when a glass rod rubbed with silk is brought near the disc of negatively charged electroscope.
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In the absence of air resistance , object fall with <u>same acceleration</u> .