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+3
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1
answer
The following decays are all ascribed to the weak interaction, resulting in three final state particles.
asked
Apr 6, 2019
in
Physics
by
kratos
jee
particle physics
jee mains
+3
votes
1
answer
Obtain the expression for the cyclotron frequency.
asked
Apr 6, 2019
in
Physics
by
kratos
cbse
jee
jee mains
class-12
particle physics
+3
votes
1
answer
(a) Explain the following statements. The mean lifetime of the π^+ meson is 2.6 × 10^−8 *
asked
Apr 6, 2019
in
Physics
by
kratos
jee
particle physics
jee mains
+1
vote
1
answer
What energy must a proton have to circle the earth at the magnetic equator? Assume a 1 G magnetic field.
asked
Apr 4, 2019
in
Physics
by
kratos
jee
particle physics
jee mains
+1
vote
1
answer
The counting rate observed from a radioactive source at t = 0 second was 1600 counts per second and at t = 8
asked
Apr 2, 2019
in
Physics
by
kratos
neet
modern physics
jee
aiims
thermodynamics
statistical physics
jee mains
particle physics
+2
votes
1
answer
In an analogue fluoroscopy system: a. The film in the cassette is linked to a selectable collimator so
asked
Apr 1, 2019
in
Physics
by
kratos
isc
jee
pointers
optics
icse
jee mains
class-12
particle physics
+2
votes
1
answer
Calculate the magnetic field, B and the Dee radius of a cyclotron which will accelerate protons to
asked
Mar 28, 2019
in
Physics
by
kratos
jee
particle physics
jee mains
+2
votes
1
answer
Solid targets of different elements are bombarded by highly energetic electron beams.
asked
Mar 27, 2019
in
Physics
by
kratos
particle physics
all about atoms
jee
jee mains
class-12
atoms
nuclei
+3
votes
1
answer
A V-type of event is observed in a bubble chamber. The curvature measurements on the two tracks
asked
Mar 26, 2019
in
Physics
by
kratos
theory of relativity
particle physics
jee
jee mains
+1
vote
1
answer
In a betatron of diameter 72 in operating at 50 c/* the maximum magnetic field is 1.2 Wb/m^2.
asked
Mar 25, 2019
in
Physics
by
kratos
jee
particle physics
jee mains
+3
votes
1
answer
A cyclotron operates with an alternating field of potential E and frequency f and a magnetic induction field B.
asked
Mar 25, 2019
in
Physics
by
kratos
neet
jee
moving charges and magnetism
class-9
electromagnetism
jee mains
magnetism
particle physics
bitsat
+1
vote
1
answer
Which of the following processes are allowed in electro-magnetic interactions,
asked
Mar 25, 2019
in
Physics
by
kratos
jee
particle physics
jee mains
+1
vote
1
answer
A beam of muon neutrinos is produced from the decay of charged pions of Eπ = 20 GeV.
asked
Mar 20, 2019
in
Physics
by
kratos
jee
particle physics
jee mains
+3
votes
1
answer
One of the bound states of positronium has a lifetime given in natural units by τ = 2/mα^5
asked
Mar 20, 2019
in
Physics
by
kratos
jee
particle physics
jee mains
+1
vote
1
answer
The Fermi lab accelerator is one of the largest particle accelerators. In this accelerator, protons are forced to travel
asked
Mar 19, 2019
in
Physics
by
kratos
quantum mechanical model of atom
class-11
jee
magnetic field
jee mains
electromagnetism
magnetostatics
magnetism
class-12
particle physics
+3
votes
1
answer
Given that the ρ-meson has a width of 158 MeV/C^2 in its mass, how would you classify the interaction for its decay?
asked
Mar 18, 2019
in
Physics
by
kratos
jee
particle physics
jee mains
+2
votes
1
answer
The 3γ decay of positronium (the bound state of e^+e^−) has a width that in QED is predicted to be
asked
Mar 17, 2019
in
Physics
by
kratos
jee
particle physics
jee mains
+3
votes
1
answer
In a particle accelerator, a current of 500 μA is carried by a proton beam in which each proton has a speed of 3 × 10^7 m/*.
asked
Mar 15, 2019
in
Physics
by
kratos
system of particles
rotational motion
class-11
jee
magnetic field
kvpy
theory of relativity
jee mains
class-12
particle physics
+3
votes
1
answer
Draw the Feynman diagrams at the quark level for the reactions: (a) π^− + p → K^0 + Λ
asked
Mar 13, 2019
in
Physics
by
kratos
jee
particle physics
jee mains
+2
votes
1
answer
Explain with the aid of Feynman diagrams, why the decay D^0 → K^− + π^+ can occur as a charged-current
asked
Mar 12, 2019
in
Physics
by
kratos
jee
particle physics
jee mains
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