Physics, 17.07.2019 00:40 NeverEndingCycle
The hydrogen spectrum includes a red line at 656 nm and a blue-violet line at 434 nm. what are the angular separations between these two spectral lines for all visible orders obtained with a diffraction grating that has 4 470 grooves/cm? (in this problem assume that the light is incident normally on the gratings.)
Answers: 1
Physics, 22.06.2019 06:20
Oxygen undergoes an isentropic expansion from 120 degree c and 280 kpa absolute to 140 kpa absolute. determine the final temperature of the oxygen and the amount of work per kg of o_2 produced in the process if it is adiabatic.
Answers: 1
Physics, 22.06.2019 12:30
As part of your daily workout, you lie on your back and push with your feet against a platform attached to two stiff springs arranged side by side so that they are parallel to each other. when you push the platform, you compress the springs. you do an amount of work of 79.0 j when you compress the springs a distance of 0.230 m from their uncompressed length. (a) what magnitude of force must you apply to hold the platform in this position? (b)how much additional work must you do to move the platform a distance 0.230 m farther? (c) what maximum force must you apply to move the platform a distance 0.230 m farther?
Answers: 1
The hydrogen spectrum includes a red line at 656 nm and a blue-violet line at 434 nm. what are the a...
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