
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?
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?




