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Consider Rutherford’sexperiment. Would the estimated size of the nucleus be greater, smaller, or the same if he has used a more energetic source ofalpha particles – that is, a radioactive source in which the alpha particles are emitted withgreater energy? Explain
What is the distance between an object and its real image formed by a thin converging lens with focal length f, if the object distance is p? What is this minimum object-image distance
monochromatic light strikes a diffraction grating at normal incidence before illuminating a screen 1.93 m away. compute the distance between the two second order maxima?
an oxide cathode of a vacuum tube has a work function of 2.0 eV. Calculate the electron flux (number per time per area) from thermal emission when the cathode is heated to 1000 K
A child pulls a friend in a little red wagon with constantspeed. How much work does the child do on the wagon
imagine dropping a soccer ball. the first bounce will be the highest eand each bounce after that will be lower until
two circuits are constructed using identical ideal batteries emf e and identical lightbulbs resistance r. if each
A woman on a bridge 71.0 m high sees a raft floating at a constant speed on the river below. She drops a stone from rest in an attempt to hit the raft. The stone is released when the raft has 6.60 m more to travel before passing under the bridge. ..
A uniform ladder 5.0 m long rests against a frictionless, vertical wall with its lower end 3.0 m from the wall. The ladder weighs 145 N. The coefficient of static friction between the foot of the ladder and the ground is 0.40. A man weighing 760 N..
A thin layer of magnesium fluoride (n = 1.38) is used to coat a flint-glass lens (n = 1.61). What atleast thickness should the magnesium fluoride film have if the reflection of 669 nm light is to be suppressed? suppose that the light is incident a..
A cylindrical container 1.6 m tall contains mercury to a certain depth d. The rest of the cylinder is filled with water. If the pressure at the bottom of cylinder is two atmospheres, what is the depth d.
A person's right eye can see objects clearly only if they are between 27cm and 86cm away. What will be the near point with the lens in place
A ferryboat transports tourists among three islands. It sails from the first island to the second island, 5.78 km away, Calculate the distance between the first and third islands
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