Tagged Questions
2
votes
1answer
76 views
Young's Double slit experiment (Finding the value for slit separation) [closed]
The question illustrates mono-chromatic red light passing through 2 slits and forming an interference pattern on the screen. The question then asks to suggest a suitable value for the slit separation. ...
0
votes
3answers
102 views
How do I determine where I can no longer hear sound?
A teacher stands well back from an outside doorway that is 95 cm wide and blows a frequency of 600 Hz. The door faces north. Assume the speed of sound is 340 m/s and that there are no reflections. At ...
3
votes
1answer
69 views
Describing quantum intereference with only currents and densities
I know about and believe to understand the general wave equation based Kirchhoff diffraction formula, which in the Fraunhofer limit leads to a farfield complex wave function by Fourier transforming ...
4
votes
2answers
141 views
What are the lines visible between two cards held edge-to-edge?
Hold two cards (say credit cards) edge to edge, anything from a very slight
touch to about 1/3 mm separation, in front of any ordinary light
source. When I do this I see several
fine dark parallel ...
