+91-87964 74404
FlagBACK
Question icon
Modern Physics

Find the rest mass energy of electron. a.) 0.8 MeV b.) 1.66 amu c.) 0.5119 MeV

Profile image of Sarthak Khandelwal
8 Years agoGrade
Answers icon

1 Answer

Profile image of Arun
ApprovedApproved Tutor Answer8 Years ago

The rest mass energy of an electron is calculated from:

Hence option D is correct.    = 511 keV = 0.511 MeVE
 keV2)8 10x (3.0 x) -31 10x = (9.1 E
keVE = m0c2 
2E = mc

Other Related Questions on modern physics

question mark
A particle is projected in vertical plane such that after 5 seconds its velocity becomes horizontal. The maximum height attained by the projectile from point of projection is n3 m. The value of n is _______. (g = 10 m/s2)
modern physics
1 Answer Available

Last Activity: 3 Years ago

question mark
Two particles approach each other from very large distance as shown, . if the least separation between the particles is b, what is the speed of M in center of mass frame when particles are closest? (gravity negligible)
modern physics
1 Answer Available

Last Activity: 4 Years ago

question mark
Can the sum of two equal vectors be equal to either vector
 
modern physics
1 Answer Available

Last Activity: 4 Years ago

question mark
A nucleus X184 at rest emitt alpha particle With kinetic energy 9.0MeV. The product Nucleus is Y. The values of Binding energy per nucleon of alpha particle & Y differ by 1.5MeV. The values of Binding energy per nucleon of X & Y differ by (n÷230) MeV, then n is
modern physics
1 Answer Available

Last Activity: 4 Years ago

question mark
SUBJECT: PROBLEM BASED ON LINE DETECTION.
Query: How to apply all the filters for line detection on the following piece of image (provided below)? Explain its Observations to comment on its results.
modern physics
1 Answer Available

Last Activity: 4 Years ago