Tossing a coin in a moving train.

if a man tossed a coin in a moving train and the coin fell back then in which type if motion train is moving? and how? Answer: This shows that the train is accelerated. When the coin was thrown, it had the same velocity of the train. If the train was not accelerated, the coin would have fallen on [...]

What Type of questions are asked in Viva Voce?

The methodology of questioning varies from examiner to examiner. The normal way of questioning is to start from the experiment you are alloted. Example: What experiment are you doing? Ans: To determine the value of unknown resistance using metre bridge...

Electrostatics (I) Question Bank

Electrostatics I (Based on Frictional electricity, , Conservation of charge, Quantization of charge, Coulomb’s law and principle of superposition) Very Short Answer type Questions (1 mark) What is frictional electricity? What is the cause of frictional electricity? What is electrostatics? Write two devices based on electrostatics. Why static electricity is called so? How did electricity [...]