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2 years ago

in the bohr model, which energy transition will result in light being emitted with shortest wavelength?

Physics

1 answer:

RoseWind [281]2 years ago

7 0

The line of shortest wavelength is from n4 - n1.

<h3>What is bohr model ?</h3>

The Bohr model, also known as the Rutherford-Bohr model, was proposed by Niels Bohr and Ernest Rutherford in 1913 and depicts an atomic system with an orbiting system of electrons surrounding a small, dense nucleus. This arrangement is similar to that of the Solar System, except that electrostatic forces act as the forces of attraction rather than gravity.

The line with the shortest wavelength in the hydrogen spectrum is created when an electron in an atom of hydrogen transitions between the first and fourth energy levels (n4 →n1).

The transition n4→ n1 has the largest energy difference between the transitions that are given.

Lower wavelengths correspond to higher energy differences.

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Apply Newton's second law in the moving direction.

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4 years ago

What is the mechanical advantage of a nail puller where you exert a force 45 cm from the pivot and the nail is 1.8 cm on the oth

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Answer:

Explanation:

Mechanical Advantage is the ratio of the distance of the input load (Li)from the pivot to the output load applied to the pivot(Lo)

MA = Li/Le

Given;

Li = 45cm

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MA = 45/1.8

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Hence the mechanical advantage is 25

Also MA is expressed in terms of the force ratio which is the ratio of the Load to the effort applied.

MA = Load/Effort

Given

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Substitute

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3 years ago

In a double-slit interference experiment you are asked to use laser light of different wavelengths and determine the separation

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3 years ago

A man is dragging a trunk up the loading ramp of a mover’s truck. The ramp has a slope angle of 20.0°, and the man pulls upward

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Answer:

(a) 104 N

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Explanation:

Given Data

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The component of F perpendicular to the ramp is Fy.

(a)

Let the +x-direction be up the incline and the +y-direction by the perpendicular to the surface of the incline.

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Fx=Fcos30°

Solve for F:

F= Fx/cos30°

Substitute for Fx from given data:

Fx=90 N/cos30°

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(b) Resolve r into its y-component from Pythagorean theorem:

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Fy = (104 N) (sin 30°)

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