Answer:
E₁ = 1.042 eV
E₄₋₃= 7.29 eV
E₄₋₂= 12.50 eV
E₄₋₁= 15.63 eV
E₃₋₂= 5.21eV
E₃₋₁= 8.34eV
E₂₋₁= 3.13eV
Explanation:
The energy in an infinite square-well potential is giving by:
<em>where, h: Planck constant = 6.62x10⁻³⁴J.s, n: is the energy state, m: mass of the electron and L: widht of the square-well potential </em>
<u>The energy of the electron in the ground state, </u><u>n = 1</u><u>, is: </u>
The photon energies that are emitted as the electron jumps to the ground state is the difference between the states:





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Answer:
D
Explanation:
Mars is the planet between Earth and Jupiter, or the 4th planet from the Sun.
Answer:
The correct option is (b).
Explanation:
Given that,
Electric field, 
We need to find the magnitude of the force on the electron as a result of the electric field.
We know that, the electric force is given by :

So, the required force on the electron is equal to
.
The jnd for a 100-gram weight, according to Weber's law will be 10 gram.
<h3>What is Weber's law?</h3>
It should be noted that Weber's law asserts that the nature of any given stimulus will always affect how change is perceived. In other words, the size, weight, importance, etc. of the prior situation and the significance of the change both influence whether a change will be observed.
In this case, it was given that the jnd for a 10-gram weight was 1 gram, therefore, the jnd for 100 gram will be;
= 100 / 10
= 10 gram
Therefore, jnd for a 100-gram weight, according to Weber's law will be 10 grams.
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