A silicon monoxide (n = 1.45) film of 112-nm thickness is used to coat a glass camera lens (n = 1.56). What wavelength of light in the visible region (390 to 710 nm) will be most efficiently transmitted by this system? (1 nm = 10?9 m)
a. 520 nm
b. 768 nm
c. 715 nm
d. 650 nm
e. 455 nm
d
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Increasing the mass m of a mass-and-spring system causes what kind of change on the resonant frequency of the system?
A) The frequency increases. B) The frequency decreases. C) There is no change in the frequency. D) The frequency increases if the ratio k/m is greater than or equal to 1 and decreases if the ratio k/m is less than 1. E) The frequency increases if the ratio k/m is less than or equal to 1 and decreases if the ratio k/m is greater than 1.
Using the velocity transformation formula, calculate the speed in the "rest frame" of a particle which is seen to be moving at c in a "moving frame"
What will be an ideal response?
The torque required to turn the crank on an ice cream maker is 4.50 N ? m. How much work does it take to turn the crank through 300 full turns?
A) 2120 J B) 2700 J C) 4240 J D) 1350 J E) 8480 J
Monochromatic light from a He-Ne laser (? = 632.8 nm) is incident on a diffraction grating containing 5000 lines/cm. Determine the angle of the first-order maximum
a. 18.4° b. 39.2° c. 14.6° d. 27.7° e. 13.9°