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SCMH 1010 Training Exam 2 Questions Solved Correctly. £8.11   Add to cart

Exam (elaborations)

SCMH 1010 Training Exam 2 Questions Solved Correctly.

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  • Module
  • SCMH 1010
  • Institution
  • SCMH 1010

properties of a nucleus - Answer protons, neutrons, held together with the 'strong force', nucleus gives atom its mass atomic number - Answer number of protons in nucleus - dictates the arrangement of electrons - defines chemical behavior - defines the atomic basis of elements mass ...

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  • September 5, 2024
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  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • SCMH 1010
  • SCMH 1010
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SCMH 1010 Training Exam 2 Questions
Solved Correctly.
properties of a nucleus - Answer protons, neutrons, held together with the 'strong force', nucleus gives
atom its mass



atomic number - Answer number of protons in nucleus

- dictates the arrangement of electrons

- defines chemical behavior

- defines the atomic basis of elements



mass number - Answer total protons and neutrons



isotopes - Answer all elements are isotopes

- elements with different numbers of neutrons

- some are highly radioactive; many are slightly radioactive, some are stable and not radioactive



what is radioactivity? - Answer the spontaneous decay of nuclei

- radiation can be electrons, subatomic particles, high energy electromagnetic waves like x-rays



Geiger counter - Answer can be used to detect radioactivity, typically hand-held



Gamma counters - Answer count gamma particles directly: high energy photons



liquid scintillation counters - Answer look at flashes of light in solutions of fluorescent compounds that
amplify the strength of weak radiation



Battery - Answer Developed by Alessandro Volta

Converts chemical energy to kinetic

, Electrical Currents flow through dissimilar metals to make a circuit



Electric circuit - Answer Unbroken path of material carrying electricity.



Source, device, and closed path



Ohm's Law - Answer I x R = V



Current times resistance equals voltage.



Definition of Wave - Answer traveling distance that carries energy but does not result in the overall
displacement of matter/mass



Types of waves: - Answer V (velocity) as always is delta x / delta t. i.e. (difference in location as a
function of difference in time - same as distance per unit time)

Wavelength = (λ) measured in distance

Frequency = (f ) measured in (cycles) per second; cycles/s or s-1. Also measured in Hertz.

The Period = (1/ f ). Literally seconds per cycle; time between waves



Wavelength measured in... - Answer distance by meters



Velocity is measured in... - Answer Delta X divided by Delta T

Meters/Second



Frequency measured in... - Answer cycles per second - Hertz



What is amplitude - Answer the height of the wave crest above the undisturbed position



How is energy is transferred - Answer particle or wave

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