A diffraction grating has 5150 lines per centimeter ruled on it
What is the angular separation between the first- and the third-order bright spots on the same side of the central maximum when the grating is illuminated by a beam of light with wavelength 633 nm?
58.9°
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Aluminum-lithium alloys were developed for aircraft applications because of their relatively high yield strength and low _________.
Fill in the blank(s) with the appropriate word(s).
A 24.0-L tank contains ideal helium gas at 27°C and a pressure of 22.0 atm. How many moles of gas are in the tank? (R = 8.31 J/mol ? K, 1 atm = 101 kPa)
A) 238 mol B) 138 mol C) 17.5 mol D) 21.4 mol E) 76.0 mol
A barking dog delivers about 1.0 mW of power, which is assumed to be uniformly distributed in all directions. What is the intensity level in decibels at a distance 5.00 m from the dog? The threshold of human hearing is 1.0 × 10-12 W/m2
A) 61 dB B) 63 dB C) 65 dB D) 68 dB
At what frequency does a 10. ?F capacitor have a reactance of 0.12 k??
What will be an ideal response?