Help
Contact
For teachers and institutes
Search courses, problems, tests…
A
A
>_
StemPy Lab
Courses ▾
Problems ▾
Practice ▾
Mock Tests
Classes
Community ▾
A
A
A small research source gives 80 W of heat from… | StemPy Lab
Quizzes
/
A small research source gives 80 W of heat from fission. Each fission releases 200 MeV, with 1 MeV = 1.602 × 10⁻¹³ J. How many fissions take place each second?
Physics
Medium
High School (11–12)
Modern Physics
Created by
StemPy Lab
A small research source gives
80
80
80
W of heat from fission. Each fission releases
200
200
200
MeV, with
1
MeV
=
1.602
×
10
−
13
1\ \text{MeV} = 1.602 \times 10^{-13}
1
MeV
=
1.602
×
1
0
−
13
J. How many fissions take place each second?
2.5
×
10
18
2.5 \times 10^{18}
2.5
×
1
0
18
5.0
×
10
14
5.0 \times 10^{14}
5.0
×
1
0
14
2.5
×
10
12
2.5 \times 10^{12}
2.5
×
1
0
12
2.5
×
10
10
2.5 \times 10^{10}
2.5
×
1
0
10
Check Answer
Log in to save
Tag someone
⚑ Report
← All Quizzes
← The multiplication factor of a reactor core is exactly 1. Which statement is correct?
Helium-3 and deuterium react to give helium-4 and a proton. The atomic masses are 3.016029 u, 2.014102 u, 4.002603 u and 1.007825 u in that order. Use 1 u = 931.494 MeV/c². What energy is released? →
More on
Modern Physics
Discussion (0)
Log in
to join the discussion.
Loading…
All questions on this topic →
Problems on this topic
A fusion plant makes 500 MW of heat from the reaction ²H + ³H → ⁴He + n, which releases 17.59 MeV…
Hard
The Sun radiates 3.8 × 10²⁶ W. Find the mass that is turned into energy each second and in one year…
Medium
A deuteron (Z = 1, A = 2) and a triton (Z = 1, A = 3) must touch before the nuclear force can act…
Medium
A neutron of mass number 1 and kinetic energy 2.0 MeV hits a stationary nucleus of mass number a…
Hard
All problems on this topic →