تم الحل ✓
categoryفيزياء
schoolبكالوريوس
event_available2026-07-14
السؤال
Transcribed Image Text:
1. A particle is represented by the following wave function:
y(x)=0
x≤-L/2
= C(2x/L+1)
-L/2<x<0
= C(-2x/L+1)
0 < x <+1/2
+L
=0
x>+L/2
(a) Use the normalization condition to find C.
(b) Evaluate the probability to find the particle in an interval of width 0.010L at x = L/4 (that is,
between x 0.245L and x = 0.255L. No integral calculation is necessary for this calculation.)
=
(c) Evaluate the probability to find the particle between x 0 and x = +L/4.
(d) Find the average value of x and rms of x: x = √
(x²) avg
2. Show that the average value of x² in the one-dimensional infinite potential energy well is
L²(1/3-1/2n²²)
3. Use the result above to show that, for the infinite potential energy well, defining
Ax
√(x²) -(x)² gives
Ax L√1/12-1/2π²n²
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