Recent content by swaha

Homework Statement A detector is used to count the number of gamma rays from a radioactive source if the number of counts is 10000 in exactly 20 secs then what is the error in counting rate per sec? Homework Equations- no idea. The Attempt at a Solution- As per our syllabus we...

Please go through a textbook of UG level optics or electrodynamics & then in your problem specify what x,y,z directions mean. You may refer Griffiths (electrodynamics), Hecht/ Ajay Ghatak (optics).

okay thanks.

Homework Statement A person measures 9volts across the battery, 3 volts across the resistor Ra and 4.5volts across the resistor Rb connected in series (all three battery, Ra, Rb are connected in series) with a voltmeter of finite resistance. The resistor Ra=2M, and the battery has negligible...

i am a 1st year student aiming at studying abroad in my pg levels. can i know which test would be best for me? gre, toefl or something else? & how to prepare for them?