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Red light of wavelength 633nm from a helium-neon laser passes through a slit 0.360mm wide. The diffraction pattern is observed on a screen 3.55m away. Define the width of a bright fringe as the distance between the minima on either side.
What is the width of the central bright fringe?
What is the width of the first bright fringe on either side of the central one?
For tests using a ballistocardiograph, a patient lies on a horizontal platform that is supported on jets of air. determine the recoil velocity
A woman on a 10 speed bicycle travels at 9 m/s relative to ground as a she passes a little boy on a tricycle going in the opposite direction. If the boy is travelling at 1m/s relative to the ground, how fast does the boy appear to be moving relati..
A stunt man drives a car at a speed of 20 m/s off a 35-m-high cliff. The road leading to the cliff is inclined upward at an angle of 20?, What is the car's impact speed
An object is located 10 cm in front of a mirror that forms an image of the object on a wall 300 cm, What type of mirror is required to form this image?
The puck has a mass of 0.140kg. Its original distance from the center of rotation is 40.0 cm, and it moves with a speed of 70cm/s. The string is pulled downward 15cm by the hole in the frictionless table. Determine the work completed on the puck.
Assume someone drops an apple from a vertical distance of 6.0 meters, directly above the point where the arrow hits the tree.
A simple harmonic oscillator takes 10s to undergo five complete vibrations.
The semiconducting compound ZnS is widely used for ultraviolet light emitting diodes (LED's). find the frequency of light emitted by a ZnS LED
A ball is thrown toward a cliff of height h with a speed of 31m/s and an angle of 60 degrees above horizontal. What was the maximum height of the ball
A metal sphere is filled with ammonia as part of a refrigeration device. what is the mass of the ammonia if it fills up half of the sphere
If a particular metal surface is hit by a photon of 4.3eV, and electron is ejected with the maximum velocity of 563,050 m/s. What is the work function of the metal, give answer in eV
An empty rubber balloon has a mass of 0.0120kg. The balloon is filled with helium at 0oC, 1atm pressure, and a density of 0.179kg/m3, What is the magnitude of the buoyant force acting on the balloon
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