Explain the Sound ?
Why are the passengers in a boat not allowed to stand up?
How much does automotive oil weigh?
Explain the Heat Engines ?
whether man or women came first on earth
Why is it difficult to stand on stilts ?
Explain the Thermometers’ ?
Define Penumbra ?
why is a coin in a vessel not vissible when seen fromjust below the edge of the vessel but can be viewed from the same position when water is poured into the vessel ?
Physicists most commonly call a mass moving in a straight line path as having:
What is the life of permanent magnet and what type of magnet is used in speakers?
Why is a ship loaded with a ballast(bottom load) ?
What is L.D.R(light dependent resistor)