Answer:
Generally the barrier width is
Step-by-step explanation:
From the question we are told that
The tunneling probability required is
The barrier height is
The electron energy is
Generally the wave number is mathematically represented as
Here m is the mass of the electron with the value
h is is know as h-bar and the value is
So
=>
Generally the tunneling probability is mathematically represented as
So
=>
Taking natural log of both sides
=>
=>
Answer:
740 m
Step-by-step explanation:
Answer:
200
Step-by-step explanation:
Answer:
x = 49
Step-by-step explanation:
1- Substitute g ( x ) = 0
Reduce
g ( x ) = - x 2/4 + 7
2- Move the variable to the left
0 = - x 1/2 + 7
3- Simplify the equation
x 1/2 = 7
4- Simplify Evaluate
( x 1/2 ) ² = 7²
5- Check the solution
x= 49
6- Simplify
0= - 49 2/4 + 7
7- x = 49 is a solution
0 = 0
Step-by-step explanation:
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