3.5 In determination elementary Sears of experiments on the of the mass of a captain particle, the should shared a mination of _ + (plus-minus) 20 m(e), where m(e) is the electrons. Estimate the lifetime of the pastele 6012) (10m) A

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10:51 PM
←
DOC-20230102-W...
UPSC
Spe
B
Series of experiments on the
determination of the mass of a captain
elementary particle, the soults showed
a misition of_ + (pluss- mistus) 20 m(e),
where m(e) is
the
Estimate the life in ques.
of the pastele
(2013) (10 m)
Sol") As for Hesenbergsabinity
principle.
of at th
whore of time period taken
for significant change in
DE → change
WA
m
www
In
→ Energy
cin
Enerzy
_D€ (specto reclinday))
⇒ E= 40 × 9-1×10-³1 kg C²
| = + =
⇒ t =
fom
2 AE = 40m (e) c²
[Using E=mc²]
UPSC
NO MORE THAN
nt than ing
Cand the action Purpose Only)
Substituting it in Hessenborg's
→
eget
st == DE
whare it is lifetime
t
tr
2x40x9-1×10-31
x 9×1016 1/2m2²
6.63×10-34
80x9-1x 9 x 10-15
0.001 × 10-19 5
t = 10-22 cards |
a
seconal
[life time of ]
Simily life times of they clome.
calculated
Standard Model of Physics.
con
4G
19
Transcribed Image Text:10:51 PM ← DOC-20230102-W... UPSC Spe B Series of experiments on the determination of the mass of a captain elementary particle, the soults showed a misition of_ + (pluss- mistus) 20 m(e), where m(e) is the Estimate the life in ques. of the pastele (2013) (10 m) Sol") As for Hesenbergsabinity principle. of at th whore of time period taken for significant change in DE → change WA m www In → Energy cin Enerzy _D€ (specto reclinday)) ⇒ E= 40 × 9-1×10-³1 kg C² | = + = ⇒ t = fom 2 AE = 40m (e) c² [Using E=mc²] UPSC NO MORE THAN nt than ing Cand the action Purpose Only) Substituting it in Hessenborg's → eget st == DE whare it is lifetime t tr 2x40x9-1×10-31 x 9×1016 1/2m2² 6.63×10-34 80x9-1x 9 x 10-15 0.001 × 10-19 5 t = 10-22 cards | a seconal [life time of ] Simily life times of they clome. calculated Standard Model of Physics. con 4G 19
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