When a glass cylinder is filled with water and a piece of thick paper is placed at the mouth and the cylinder is inverted, the paper dies not fall. Why ?
2 4102When water is boiled in a tin and its mouth is closed by a rubber cork, then on pouring cold water over the tin it is crushed. Why ?
1 3758When a water pump falls to draw water, a bucket of water poured into it sets it working. Why ?
3 4562Post New General Physics Questions
what is specific fuel consumption,total fuel consumption,mean effective pressure,indicated thermal efficiency...
A solar collection has been installed to heat water. A large water tank has a volume of 5.0 x 105 cm3. The area of the solar collectors is 8m2. (2 meters by 3 meters). If the water in the tank starts out with a temperature of 30°C in the morning, what is its temperature in the evening after the sun has set?
How do you calculate tensile strength?
Explain what formula is most appropriate to compute the kinetic energy of a block of ice sliding down an inclined plane?
On an electric schematic, what does the symbol of a horizontal line interrupted by a saw tooth shaped line represent?
What is a galvanometer?
What is constructive interfernce?
USE OF PHYSICS
What is optical medium?
What formula is most appropriate to compute the kinetic energy of a block of ice sliding down an inclined plane?
What is the index of refraction of air?
How about the particle-wave duality? : quantum physics
How are amps and watts related?
What is the physical significance of biot numbers?
Why it becomes bitterly cold as soon as the snow starts melting?