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Say you saw the following interference pattern due to air between two glass slides:
a) What can you say about the thickness of the air gap across the slide? Is it uniform? What does it mean if there isn't any color (e.g., over their finger near the top right of the image)? What does it mean if there are lots of lines? Etc.
b) What is the requirement on the thickness of the film for constructive interference in this case? Consider the relative indices of refraction involved?
c) How can you determine the thickness of the air gap at a particular location? Derive an equation to use in the lab. Be explicit about your assumptions. Don't assume normal incidence.
Three, and only three, bright fringes can be seen on either side of the central maximum when a grating is illuminated with light ( = 430 nm)
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A 24 cm long wire with a linear density of 16.5 g/m passes across the open end of a 87 cm long open-closed tube of air. If the wire, What is the fundamental frequency of the wire
An electron is released from rest at the negative plate of aparallel plate capacitor. The charge per unit area on each plate isσ = 1.84E-7 C/m2, and the plates are separated by adistance of 1.48E-2 m. How fast is the electron moving just beforeit ..
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a student exchanges the stock headphones b1 89 db for her mp3 player for a new set that is louder b2 94.5db. if the
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