What is the wavelength of the lights
The second order maximum produced by a diffraction grating with 560 lines per centimeter is at an angle of 3.1 degrees. What is the wavelength of the lights that illuminates the grating?
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The microphone is 2.25 m from midpoint of the two speakers. What are the lowest two frequencies that produce an interference maximum at the microphone's location?
Knowing that a 66 kip axial force P is applied to the pipe. Determine the normal and sheering stresses in the directions respectively normal and tangential to the weld.
A diffraction grating with 345 lines/nm is 1 m in front of a screen. What is the wavelength of light whose first-order maxima will be 16.4 cm from the central maximum on the screen?
A 192 g piece of copper is heated to 100.0C in a boiling water bath and then dropped into a beaker containing 75.0 ml of water at 4.0C. What is the final temperature of the copper and water after they come in thermal equilibrium?
The same calorimeter was used for the dissolution of 8.86 g sample of lithium chloride in 100.0 mL of water at 22.2 °C. When the salt was dissolved, the temperature of the solution was 39.5°C.
When a person visits the local tanning salon, they absorb photons of ultraviolet light (UV) to get the desired tan. What are the frequency and wavelength of a UV photon whose energy is 6.5 x 10^-19 J?
A mixture of immiscible liquids (both water-insoluble) is subjected to steam distillation. At 90 degrees C, the vapor pressure of pure water is 526 mm Hg.
If the outer surface of the tube has an emissivity of 0.9, and if it sees the surroundings at a temperature of 10oC, what is the net radiative heat transfer?
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