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16. The following figure is a plot of stopping voltage versus light frequency f in a photoelectric experiment with a certain metal with a work function Ф. What is the slope?

其他申論題

12. An alpha particle (q = +2e, m = ) travels in a circular path of radius 4.50 cm in a uniform magnetic field with B = 1.20 T. Through what potential difference (volts) was it accelerated (from rest) to have the kinetic energy required for this path?

13. The figure shows a conducting bar sliding at speed along a wire in the shape of "U" through a uniform magnetic field that is perpendicular to the wire and bar: speed = 3.0 m/s, left-right width L = 5.0 m, induced emf = 360 V counterclockwise. What is the magnitude (T) of the magnetic field?

14. The large space telescope that has been placed into Earth orbit has an aperture diameter of 2.40 meters. What angular resolution will this telescope achieve for visible light with a wavelength of m? Please show the unit in radians.

15. The figure shows two particles moving in the negative direction of an x axis past an observer. Relative to the observer, particle A moves at speed 0.950c and particle B moves at speed 0.900c. What speed will A measure for B?

(a) Find the angular acceleration of the pulley.

(b) Assuming that the system starts from rest, find the speed of m₁ after it has fallen by H.

(a) What is the energy of the photon emitted as a result of the transition?

(b) What are the higher quantum number and lower quantum number of the transition producing this emission?

1.Find [Hint: limit of Riemann sums]

2.(a) Show that If f is continuous on [a,b] and c is any number in [a,b], then the function F(x) = f(t)dt is continuous on [a,b], differentiable on (a,b), and satisfies F'(x) = f(x) for all x in (a,b). (Hint: f(t)dt = f(t)dt + f(t)dt )

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