Un-Answered Questions { General Physics }

Graph between frequency of photon and velocity of photo electron?

504


What is the difference between collector & emitter of transistor, even though material used for both same?

446


Explain real and virtual image?

485


Why does a tilted gyroscope not fall?

513


What is the difference between free electron theory and band theory of solids?

479


How many femtometers are in a nanometer?

542


What is the cause of brownian motion?

498


Does gas have density?

498


What is the difference between dynamic strain aging and strain aging?

491


Why does sun appear flat during sunrise and sunset?

502


What is larger the force the earth exerts on you or the force you exert on the earth?

464


a bullet of mass m travelling at velocity v has a kinetic energy of ½mv2 when it strikes a ballistic pendulum of mass 1000 grams. The kinetic energy of the twomasses moving together just after the moment of impact is about a thousand times smaller than ½mv2. What has most of the bullets initial kinetic energy beenconverted to?

528


What is different between secondary electron image and back scattered electron image?

510


In the 19th century, this scottish scientist showed that all magnetic and all electric phenomena could be described by four equations that often bear his name. What ishis name?

529


What seven colors appear to be white when mixed together?

494