How Does a Silvered Hemisphere Affect Image Position in Optics?

  • Thread starter Thread starter barakuda
  • Start date Start date
  • Tags Tags
    Hemisphere Optics
AI Thread Summary
The discussion focuses on determining the final image position of a small object located 2R from the pole of a silvered hemisphere glass sphere. The relevant equations for refraction and the curved mirror condition are provided. Despite applying these equations, the book's answer states that the final image is at the vertex of the silvered surface. Participants are encouraged to analyze the optics principles involved to reconcile their calculations with the book's solution. Understanding the interplay of refraction and reflection in this scenario is crucial for accurate image positioning.
barakuda
Messages
3
Reaction score
0

Homework Statement


A solid glass sphere of radius R is silvered over one hemisphere. Small object is located a radial distance 2R from the pole of the unsilvered side of the sphere. Find the position of the final image after refraction and reflection.

Homework Equations


Refraction at curved surface equation:
n / s + n' / s' = (n' - n) / R
Curved mirror condition: n' = -n

However, the answer in the back of the book says the final image is exactly at the vertex of the silvered surface.

Good luck!
 
Last edited:
Physics news on Phys.org
deleted
 
Last edited:
deleted
 
Last edited:
Thread 'Variable mass system : water sprayed into a moving container'
Starting with the mass considerations #m(t)# is mass of water #M_{c}# mass of container and #M(t)# mass of total system $$M(t) = M_{C} + m(t)$$ $$\Rightarrow \frac{dM(t)}{dt} = \frac{dm(t)}{dt}$$ $$P_i = Mv + u \, dm$$ $$P_f = (M + dm)(v + dv)$$ $$\Delta P = M \, dv + (v - u) \, dm$$ $$F = \frac{dP}{dt} = M \frac{dv}{dt} + (v - u) \frac{dm}{dt}$$ $$F = u \frac{dm}{dt} = \rho A u^2$$ from conservation of momentum , the cannon recoils with the same force which it applies. $$\quad \frac{dm}{dt}...
I was thinking using 2 purple mattress samples, and taping them together, I do want other ideas though, the main guidelines are; Must have a volume LESS than 1600 cubic centimeters, and CAN'T exceed 25 cm in ANY direction. Must be LESS than 1 kg. NO parachutes. NO glue or Tape can touch the egg. MUST be able to take egg out in less than 1 minute. Grade A large eggs will be used.

Similar threads

Back
Top