The measurement of an electron's energy requires a time interval of 1.2×10^−8 s . what is the smallest possible uncertainty in the electron's energy?

Explanation:

The uncertainty in energy is given by

here h is plank's constant which value is and is the time interval which is given as

So using all the parameters the smallest possible uncertainty in electrons energy is

answer: the direction of the wind is expressed as the direction from which the wind is blowing. for example, easterly winds blow from east to west, while westerly winds blow from west to east.

explanation:

vapour or gas assuming atmospheriv pressure