Physics, 03.08.2019 00:10 chasechevy13
Interactive learningware 27.1 provides some pertinent background information for this problem. two parallel slits are illuminated by light composed of two wavelengths. one wavelength is λa = 627nm. the other wavelength is λb and is unknown. on a viewing screen, the light with wavelength λa = 627nm produces its third-order bright fringe at the same place where the light with wavelength λb produces its fourth dark fringe. the fringes are counted relative to the central or zeroth-order bright fringe. what is the unknown wavelength?
Answers: 3
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If a simple machine reduces the strength of a force, what must be increased?
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Which of the following is the phase that results when the moon is on the opposite side of the earth from the sun? a. quarter moon b. crescent moon c. new moon d. full moon
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Two resistors r1 and r2 may be connected either in series or parallel across an ideal battery with emf ε. we desire the rate of energy dissipation of the parallel combination to be 8.75 times that of the series combination. if r1 = 105 ω, what are the (a) smaller and (b) larger of the two values of r2 that result in that dissipation rate?
Answers: 2
Interactive learningware 27.1 provides some pertinent background information for this problem. two p...
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