Why is mercury used in thermometers rather than water?
explain Tides
Dear sir, I appeared for the interview for the post of SCIENTIST/ENGINEER 'SC'in ISRO on 02/12/2009. when the resluts will be announced??
What is sound?
What is the wavelength of sound in air?
WHY DO FLAME GOES UP IN DIRECTION
Why dies the earth move round the sun, and the moon round the earth ?
assuming friction is negligible, if a lever has a mechanical advantage of 5, how much effort in newtons is needed to lift a 10 newton load?
what is the name of the device that is made by combining two basic types of solid state rectifiers allowing the device to both rectify and amplify a current?
Explain about Scintillometer?
What is dispension of light?
Define Penumbra ?
Is Ohm's Law obeyed in the transformer equation? Explain the answer.