Question

os During dry weather, clothes made of synthetic fiber often stick to the skin. Which type of force is
responsible for this phenomenon? Explain it.
26 A plastic straw is suspended from a thread. Another identical straw is brought closer to it.
1) Does it affect the state of rest of suspended straw?
*) if the suspended straw was rubbed with a sheet of paper, then would it move on bringing another
straw dose to it?
07 Two women are of same weight. One wears sandals with pointed heels while other wears sandals
with flat sole. Which one would feel more comfortable while walking on sandy beach? Give reason for
your answer.
0.8 Despite the favorable climatic conditions, farmer's crop failed to give good yield. Give the possible
reason for this.
0.9 how does loosening of soil allow the roots to breathe easily?
0.10 why the frequency of watering plants is higher in summer?
0.11Why is CNG preferable for vehicles compared to petrol and diesel?
0.12 you are provided with three watch glasses containing milk, petrol and mustard oil respectively.
Suppose you bring a burning candle near these materials one by one, which material will catch fire
instantly and Why?
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Answer 1

It is only due to electrostatic force....

all these questions can't be answer here