Search for question from various european universities around the world
Question-
A beam of electrons (m=9.11 x 10 (-31) negative thirty first power has an average speed of 1.3 x 10^8 (eigth power) m*s (-1) s to to the negative first power. What is the wavelength of electrons having this average speed?
^=____________________________m
Assume your eyes receive a signal crossing of blue light, ^=470nm. The energy of the signal is 2.50 x 10 ^14 (negative 14) J. How many photons reach your eyes?
Experts are helping students not just improving grades but also to provide better learning of subject concepts and its problem statements. They are providing you world class assistance which may help you to excel in course or assignments.
Looking tutor’s service for getting help in UK studies or college assignments? Order Now