The graph shows the linear mass density of a string whose density is a function

Question

The graph shows the linear mass density of a string whose density is a function of position. a) which end of the string (left or right) is more massive? b) What is the mass of a 1mm-long segment of string at x = 0.25 m Mass = ____ x = 0.75 m Mass = _____ c) The graph shows the probability density for photons to be detected on the x-axis. At which end of the 0 m lessthanorequalto x lessthanorequalto 1 m interval (x almostequalto o m or x almostequalto 1 m) is a photon more likely to be detected? d) 1,000,000 photons are detected. What is the expected number of photons in a 1-mm wide interval at: x = 0.25 # of photons = _____ x = 0.75 m # of photons = ______

Explanation / Answer

part a )

right side

because u = mass/length so when you going toward right mass is increasing

part b )

x = 0.25 m = 5 x 10^-4 kg

x = 0.75 = 1.5 x 10^-3 kg

part c )

right side ( because probabiltiy is more )

part d )

x = 0.25 m = 500 electrons

x = 0.75 m = 1500 electron

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