Learning Goal: To practice Problem-Solving Strategy 40.1 for quantum mechanics problems. Suppose a particle of mass m is confine
d to a one-dimensional box of length L. We can model this as an infinite square well in which the particle's potential energy inside the box is zero and the potential energy outside is infinite. For a particle in its first excited state, what is the probability Prob(center20%) of finding the particle within the center 20% of the box?
1 answer:
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Answer:
Explanation:
We are given that
Electric field,E=
We have to find the value of maximum charge density that can be placed on the surface of the plane before dielectric breakdown of the surrounding air occurs.
We know that
Where
Using the formula
Answer:
The force on second wheel is twice off the force on first wheel.
Explanation:
In this case, two wheels can rotate freely about fixed axles through their centers. We know that, in rotational mechanics, the torque is given by :
Also,
And moment of inertia is,
It implies,
Here, one has twice the radius of the other. Ratio of forces will be :
So, the force on second wheel is twice off the force on first wheel.