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(a) How many fringes appear between the first diffraction-envelope minima to either side of the central maximum for a double-slit pattern if ? = 570 nm, d = 0.170 mm, and a = 30.4 µm?
(b) What is the intensity of the third bright fringe in terms of the intensity Icen of the central fringe?
two uncharged spherical conductors are separated by a long distance. sphere a of radius r1 8cm is charged with q1
The distance from the Sun to Jupiter is 5.2 times longer than the Earth-Sun distance. Take the intensity of sunlight at the Earth to be 1340 W/m2. Find the amplitude of the associated electric field at Jupiter
a cameras zoom lens covers the focal-length range 38mm -138mm. you point the camera at a distant object and photograph
consider a negative charge located between two charged plates of a capacitor. which plate is the plate of high electric potential
A merter stick pivoted at its center has a 100gm mass suspended at its 20cm mark. Where should an 80gm mass be placed to produce equilibrium
A 100-W driveway light bulb is on 10 hours per day. Assuming thepower company charges 10 cents for each kilowatt-hour of electricity used, estimate the annual cost to operate the bulb.
A potter's wheel having a radius 0.48 m and a moment of inertia of 12.3 kg · m2 is rotating freely at 55 rev/min. Find the effective coefficient of kinetic friction between the wheel and the wet rag
A Hall probe serves to measure magnetic field strength. Such a probe consists of a poor conductor 0.165 mm thick, What is the magnetic field strength
An RC circuit with C = 38.8 µF and R = 6.5 has a 27 V source in it. With the capacitor initially uncharged, an open switch in the circuit is closed. What is the voltage across the capacitor at that time
Two 120kg lead spheres are suspended from 170m -long massless cables. By what distance do the two spheres move closer
Sally travels by car from one city to another. She drives for 26.0 min at 74.0 km/h, 44.0 min at 48.0 km/h, Determine the total distance traveled
a spaceshipmo 10000 kg amp lo 42m is observed to be 42.2m long while traveling towards earth. determine the speed of
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