3
You visited us
3
times! Enjoying our articles?
Unlock Full Access!
Byju's Answer
Standard X
Physics
Gamma Decay
Gamma emissio...
Question
Gamma emission occurs when the atomic nucleus is in an excited state.
A
True
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
B
False
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution
Suggest Corrections
0
Similar questions
Q.
Gold
198
79
A
u
undergoes
β
−
decay to an excited state of
198
80
H
g
. If the excited state, decays by emission of a
γ
- photon with energy
0.412
M
e
V
,
the maximum kinetic energy of the electron emitted in the decay is (This maximum occurs when the antineutrino has negligible energy. The recoil energy of the
198
80
H
g
nucleus can be ignored. The masses of the neutral atoms in their ground states are 197.968225 u for
198
79
A
u
and
197.966752
u
for
198
79
H
g
.)
Q.
U
238
decays to
T
h
234
with half life 5 x 10
9
yr .The resulting nucleus is in excited state and hence further emits
γ
- rays to come to the ground state. It emits 20
γ
- rays per second. The time after which the emission rate will drop to 5
γ
- rays per second is
Q.
when an electron is in 4th excited energy state in hydrogen atom the possible number of emission lines i
Q.
Assertion :
γ
-radiation emission occurs after
α
and
β
decay. Reason: Energy levels occur in nucleus.
Q.
When the electron in a H-atom jumps from 6th excited state to 2nd excited state, the maximum number of emission lines will be.
View More
Join BYJU'S Learning Program
Grade/Exam
1st Grade
2nd Grade
3rd Grade
4th Grade
5th Grade
6th grade
7th grade
8th Grade
9th Grade
10th Grade
11th Grade
12th Grade
Submit
Related Videos
Gamma Decay
PHYSICS
Watch in App
Explore more
Gamma Decay
Standard X Physics
Join BYJU'S Learning Program
Grade/Exam
1st Grade
2nd Grade
3rd Grade
4th Grade
5th Grade
6th grade
7th grade
8th Grade
9th Grade
10th Grade
11th Grade
12th Grade
Submit
Solve
Textbooks
Question Papers
Install app