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In a single-slit diffraction pattern produced by electromagnetic radiation from a distant source passing through a slit of width a, the phase angle β (the phase difference between wavelets from the top and bottom of the slit) is π /2 rad at an angle α from the central maximum.
What is the wavelength of the electromagnetic radiation?
Explain how far west has the sailboat traveled in 29 ? How far north has the sailboat traveled in 29?
q1. a uniform plank of length 4.6 m and weight 204 n rests parallel on two supports with 1.1 m of the plank hanging
a projectile is projected from the origin with a velocity of 45.0 m/s at an angle of 30.0 degrees above the horizontal. what is the range of the projectile
Coherent light of frequency 6.40×1014Hz passes through two thin slits and falls on a screen 89.0cmaway. How far apart are the two slits
Two adjacent natural frequencies of an organ pipe are found to be 840 Hz and 910 Hz. Calculate the fundamental frequency and length of this pipe
if a 0.5kg cart and a 2.0 kg cart is attached and are rolling forward with a speed of 2.0 m/s. what are the speed and direction of the larger cart
A wheel with a radius of 20 cm rotates constantly counter-clockwise once every 5 s. What is the centripetal acceleration of the wheel rim
Write a general expression of the flux
A pendulum bob is released from the some initial height such that the speed of the bob at the bottom of the swing is 1.9m/s. What is the initial height of the bob
If the torque required to loosen a nut on the wheel of a car has a magnitude of 33.1 N · m, what minimum force must be exerted by a mechanic
Two equally charged insulating balls each weigh 0.14 g and hang from a common point by identical threads 30 cm long. The balls repel each other so that the separation between their centers is 6.4 cm. What is the magnitude of the charge on each bal..
A parallel-plate capacitor is constructed with circular plates of radius 6.5×10?2m . The plates are separated by 0.27mm, Find the value of the dielectric constant, k
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