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Grade 12General Physics

1.What are essential conditions for formation of
beats?
2.The blood pressure in human is greater at the feet
than at the brain. Why?
3.Astone breaks the window glass into pieces, while
a bullet pierces through the same. Why?
4.A ballon filled with helium does raise in air
indefinetely, but halts after a certain height?
5.Water on a clean glass surface tends to spread out, while mercury on the same surface tends
to form drops. explain?
6.Can bernoulli’s theorem be used to describe
the flow of water through a rapid in river?

Profile image of KVSK Chaitanya
10 Years agoGrade 12
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1 Answer

Profile image of Vikas TU
9 Years ago
I think these are the question related to Biology not General physics.
But till from my knowledge,
  1. the wave’s amplitude and the frequency of beating should be the same.
  2. it just depends on column/height that is large for feet than brain and that is all this the reason.