Einsteins model of a solid help?

  • Thread starter Thread starter fball558
  • Start date Start date
  • Tags Tags
    Model Solid
AI Thread Summary
The discussion centers on understanding the Einstein model of a solid in relation to a problem involving a carbon nanoparticle with 6000 carbon atoms. The model describes atoms in a solid as oscillators, where each atom has three degrees of freedom due to its vibrational motion. The confusion arises from calculating the total number of oscillators, with clarification that each atom counts as one oscillator. The participant initially miscalculated by cubing the number of atoms instead of multiplying by three. Ultimately, the correct approach involves recognizing that the number of oscillators equals the number of atoms multiplied by their degrees of freedom.
fball558
Messages
143
Reaction score
0

Homework Statement



the question I am working on says
A carbon nanoparticle (very small particle) contains 6000 carbon atoms. According to the Einstein model of a solid, how many oscillators are in this block?

im not exactly sure what this model is. i tried looking it up online but really did not have any luck. i got some answers but the all varied.
can someone please let me know what this is or how it relates to this problem

thanks!
 
Physics news on Phys.org
Well, in a solid, say with sound waves propagating through it, what's oscillating? That may get you on the right track.
 
sound traveling through solid makes the atoms vibrate. the attems are held togeather by "springs" and depending on the strenght of these "springs" that is how fast the sound travels.
so do i have to cound the "springs" if so how do i determine how many are on each atom??
 
yeah i figured out what i did. i cubed it instead of * by 3
thanks!
 
Kindly see the attached pdf. My attempt to solve it, is in it. I'm wondering if my solution is right. My idea is this: At any point of time, the ball may be assumed to be at an incline which is at an angle of θ(kindly see both the pics in the pdf file). The value of θ will continuously change and so will the value of friction. I'm not able to figure out, why my solution is wrong, if it is wrong .
TL;DR Summary: I came across this question from a Sri Lankan A-level textbook. Question - An ice cube with a length of 10 cm is immersed in water at 0 °C. An observer observes the ice cube from the water, and it seems to be 7.75 cm long. If the refractive index of water is 4/3, find the height of the ice cube immersed in the water. I could not understand how the apparent height of the ice cube in the water depends on the height of the ice cube immersed in the water. Does anyone have an...
Back
Top