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(a) Draw a diagram of light incident from air onto a thin film with n >1 with air on both sides. Indicate at which points a phase change occurs and show all reflected and refracted rays. Using this diagram, derive the condition for constructive and destructive interference for reflected light of normal incidence.
(b) A soap bubble in air has an index of refraction of 1.3. If the bubble wall is 115 nm thick, what color does the soap bubble appear to be? (Assume that white light illuminates the bubble)
The rms electric field of an electromagnetic wave increases from 307 to 921 N/C. Determine the wave intensities for the two values of the electric field
an air gap capacitor is charged up to 10 v and then disconnected. if a material is added to the gap between the plates
A skier who starts from rest reached a speed of 8.0m/s while goind down a ski slope for 5.0s. how far does the skier travel in this time
If a standing sound wave exists inside a tube, how is the length of the tube related to the sound's wavelength
A bomb that is initially at rest at the origin explodes and breaks into two pieces of mass m1 = 1497 kg and m2 = 2454 kg, what is the velocity of piece 2 after the explosion
What uniform magnetic field, applied perpendicular to a beam of electrons moving at 6.75x106 m/s In Figure below, an electron accelerated from rest during potential difference V1=1.36 kV enters the gap among two parallel plates having separation d = ..
A car moving at a constant speed of 7.5 m/s, moves 25 m at a 20 degree angle above horizontal. How much time does it take the car to accomplish this movement
A 0.70-kg mass attached to a vertical spring of force constant 140N/m oscillates with a maximum speed of 0.40m/s, Find the maximum magnitude of the acceleration
A student decides to move a box of books into her dormitory room bypulling on a rope attached to the box. She pulls with a force of110.0 N at an angle of 23.0° above thehorizontal. The box has a mass of 25.0 kg, and the coefficient of kinetic fric..
Ethyl alcohol (C2H5OH) has a density of806 kg/m3 and a volume of 1.34 10-3m3. Find the number of molecules in the liquid
The owner of a van installs a rear-window lens that has a focal length of -0.300 m. How far from the van is the object actually located
A positive lens of focal length 40 cm is placed 20 cm behind a negative lens of focal length -80 cm. The final image distance relative to the positive lens is:
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