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Consider light from a helium-neon laser (632.8 nanometers)striking a pinhole with a diameter of 0.175mm . At what angle to the normal would the first dark ring be observed?
Diffraction due to a circular aperture is important inastronomy. Since a telescope has a circular aperture of finitesize, stars are not imaged as points, but rather as diffractionpatterns. Two distinct points are said to be just resolved (i.e., have the smallest separation for which you can confidently tellthat there are two points instead of just one) when the center ofone point's diffraction pattern is found in the first dark ring ofthe other point's diffraction pattern. This is called Rayleigh'scriterion for resolvability. Consider a telescope with an aperture of diameter 1.10 .
What is the angular radius of the first dark ring for a point source being imaged by this telescope? Use 550 nanometers for the wavelength, since this is near the average for visible light.
A thin spherical shell made of plastic carries a uniformly distributed negative charge -7e-10 coulombs (indicated as -Q1 in the diagram). Two large thin disks made of glass carry uniformly distributed positive and negative charges 1.7e-05 coulombs an..
Two long parallel wires carry currents of 3.77 A and 4.35 A. Find the separation distance of the wires expressed in millimeters.
In a game of billiards, the cue ball is traveling eastward when it strikes a second ball that is initially at rest. After the collision, the cue ball moves at 4.79 m/s, What was the speed of the cue ball prior to the collision
Two billiard balls are initially traveling toward each other at speeds of 1.05 m/s for ball 1 and 3.40 m/s for ball 2. Find their final velocities
A wire has a length of 7.60 multiply.gif 10-2 m and is used to make a circular coil of one turn. find the maximum torque that this coil can experience
The light bulb in the circuit has a resistance of 11 ohms and consumes 6.7 W of power as the 1.25 m long, What speed must the rod have if the current in the circuit is to be 0.65 A
q. a 30 gram mass is hanging from a spring whose unstretched length is 20 cm and whose spring constant is 2.5 nm. in
a parallel plate capacitor has a capacitance of 10mF and its charge with a 20V power supply. What is the new voltage across the capacitor
In a hydraulic system, the larger piston to be used to lift a 1670kg car has a diameter of 24.2cm, If instead compressed air at 115 psi of pressure is used, what is the largest mass car (in kg) that the system can lift
A 4.0 kg mess kit sliding on a frictionless surface explodes into two 2.0 kg parts, one moving at 1.0 m/s, What was the original speed of the mess kit
A test rocket is fired vertically upward from a well. A catapult gives it an initial speed of 79.2 m/s at ground level. How long is the rocket in motion above the ground
A square loop of wire surrounds a solenoid. The side of the square is 0.1 m, while the radius of the solenoid is 0.025 m. What is the current flowing in the square loop
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