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Light of wavelength 588.0 nm illuminates a slit of width 0.68 mm.
(a) At what distance from the slit should a screen be placed if the first minimum in the diffraction pattern is to be 0.89 mm from the central maximum?
m
(b) Calculate the width of the central maximum.
mm
A device used in radiation therapy for cancer contains 1.40 g of cobalt 2760Co (59.9333819 u). Determine the activity of the radioactive material
Consider a diffraction grating with 7000. lines/cm with a screen 2.50 m away and 440. nm wavelength light. How many side maxima would be observed on one side of the central maximum
A 5 kg mass attached to a horizontal spring is pulled from its equilibrium position by 4 m and let go. find is the maximum velocity of the mass
Two violin strings are tuned to the same frequency, 294 Hz. The tension in one string is then decreased by 1.5 %. What will be the beat frequency heard when the two strings are played together.
A person notices a mild electric shock if the current along a path through the thumb and the index finger exceeds 80.0, Calculate the maximum allowable voltage with a wet-skin resistance of 1920
Two small nonconducting spheres have a total charge of 90.7?C. When placed 1.06 m apart, the force each exerts on the other is 10.6 N, What is the smaller charge on the sphere
A puck slides on a surface for 5.6 m before it stops. If it was moving at a velocity of 15 m/s and has a mass of 1.2 kg, what is the force of friction exerted on the puck
What is acceleration due to gravity
Water having a density of 1000kg/m^3 is flowing with a velocity of 3 m/s through a pipe. Determine the water velocity at the restriction
questiona professional race-car driver buys a car which can accelerate at 89.0 ms2. the racer decides to race beside
A farsighted man uses eyeglasses with a refractive power of 1.90 diopters. Wearing the glasses 0.03 m from his eyes, What is the correct contact lens prescription, in diopters
A weight lifter raises a 1093 N weight a vertical distance of 1.60 m in a time interval of 2.05 s. Compute the power provided by the weight lifter's force
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