GAT Subject
Engineering
Computer Science Civil Engineering Chemical Engineering Agricultural Engineering Mechanical Engineering Electronics and Communication
18. | The life time of an electron in an excited state is about 10-8 s. What is its uncertainty in energy during this time? | |
A. | 1.05 x 10-41 J | |
B. | 1.05 x 10-26 J | |
C. | 1.15 x 1010 J | |
D. | 2.19 x 10-40 J | |