Physics, 06.10.2019 10:01 leonidas117
The michelson interferometer can be used to measure the index of refraction of a gas by placing an evacuated transparent tube in the light path along one arm of the device. fringe shifts occur as the gas is slowly added to the tube. assume 630-nm light is used, the tube is 4.90 cm long, and 156 bright fringes pass on the screen as the pressure of the gas in the tube increases to atmospheric pressure. what is the index of refraction of the gas? hint: the fringe shifts occur because the wavelength of the light changes inside the gas-filled tube. (give your answer to at least five decimal places.)
Answers: 2
Physics, 21.06.2019 19:40, BigDough9090
Wo audio speakers are placed on a vertical rail. speaker a is placed at head-level while speaker b is place at some variable height, \delta yδy, above speaker a. both speakers receive simultaneous input from a sine-wave generator so the speakers each produce a pure sinusoidal sound wave with a wavelength of 0.531 meters. calculate the lowest height that speaker b can be placed above speaker a to produce a minimum of sound heard by person standing \delta x = 7.86δx=7.86 meters directly in front of speaker a.
Answers: 2
Physics, 22.06.2019 05:10, lololololol12555
What do elements in a family tend to share. a.) similar periods b.) similar groups c.) similar atomic symbols d.) similar chemical properties and characteristics
Answers: 2
Physics, 22.06.2019 07:00, divadebbgirl1
Examine the equation. 23490th→23088ra+42he what kind of barrier would you need to block the radioactive particles from this reaction? a. a piece of paper b. a sheet of aluminum foil c. a two-inch block of lead d. a solid concrete block
Answers: 1
The michelson interferometer can be used to measure the index of refraction of a gas by placing an e...