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Consider an optical fiber having a core index of 1.46 and a cladding index of 1.45.
a) What is the critical angle for this core-cladding interface?
b) For what range of angles inside the fiber at the entrance to the fiber (θ2) will light be totally internally reflected at the upper edge of the fiber?
c) To what range of incidence angles (θ1) does this correspond?
d) How will that range of incidence angles in part (c) be changed if the fiber is submersed in water rather than air?
A student hits the cork sharply with her fist and the bottom of the bottle breaks. The student's fist has a mass of m = 0.480kg and moves downward at a speed of vi = 5.00m/s. What is the force that the fist exerts on the top of the bottle
Two identical piano wires have a fundamental frequency of 640 Hz when kept under the same tension. What fractional increase in the tension of one wire would lead to the occurrence of 10 beats/s when both wires oscillate simultaneously.
A 2.61e-6 F capacitor is charged to 1270 V and a 6.58e-6 F capacitor is charged to 420 V. what will be the potential difference across each
Visible light passes through a diffraction grating that has 900 slits per centimeter, What is the difference between these wavelengths
A diatomic gas does 390.3 Joule of work and also absorbs 2426 cal of heat. Estimate the change in internal energy of the gas? 1 cal = 4.184 Joule. Estimate the change in internal energy of the gas
an airplane starting from airport a flies 300 km east then 335 km at 27.0deg west of north and then 150 km north to
A team of tornado-chasing meteorology graduate students is out in search of tornados. They drive directly toward a tornado warning siren at 25.5 m/s
A particular guitar string is supposed to vibrate at 203 Hz, other than it is measured to actually vibrate at 208 Hz. By what percentage must the tension in the string be changed to get the frequency to the correct value.
describe how black holes are believed to form. Assess the various tools and techniques that are used to study and observe black holes, as well as the ranges of the electromagnetic spectrum that are best suited for these studies.
a piece of wire is stretched from length l1 to a length of l2 step a and then from length l2 to length l3 step ba write
Determine the electric field inside a spherical cavity of radius R' located inside a uniformly charged sphere of radius R carrying a volume charge density, ρ.
Find a relation between the variables that would guarantee that the block is initially slowing down.
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