If the longest wavelength of light that is able to dislodge electrons from a metal is 373 nm, what is the work function of that metal, in electron-volts?
(1 eV = 1.60 × 10-19 J, c = 3.00 × 108 m/s, h = 6.626 × 10-34 J ? s)
3.33 eV
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What is the relationship between wavelength (?) and frequency (f)? ("c" is the speed of light.)
A. ?/f = c B. f/? = c C. ?f = c D. ?c = f
If y = 0.02 sin (30x? 400t) (SI units) and if the mass density of the string on which the wave propagates is 0.005 kg/m, then the transmitted power is
A. 1.03 W. B. 2.13 W. C. 4.84 W. D. 5.54 W. E. 106 W.
Define the Roche Limit
What will be an ideal response?
Consider two unequal masses, M and m. Which of the following statements is false?
A) It is possible for the center of mass to lie within one of the objects. B) The center of mass is closer to the larger mass. C) The center of mass lies on the line joining the centers of each mass. D) If a uniform rod of mass m were to join the two masses, this would not alter the position of the center of mass of the system without the rod present.