Find out the width of the central bright fringe
Light of wavelength 696 nm is incident on a single slit. The central bright fringe is 2.63 cm wide on a flat screen that is 87.3 cm from the slit. What would be the width of the central bright fringe if the wavelength were 461 nm?
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Assume a thermocouple generates a linear voltage of from 20 mV to 50 mV when the temperature changes from 750°F to 1250°F. How much voltage will be generated when the temperature of the thermocouple is at 1000°F?
What is the speed of the object after it has fallen 94 cm after being released from rest? Use energy considerations.
Find the total energy, the heat capacity, and the entropy of a system of these particles. Sketch these properties as a function of the temperature and compare them with the corresponding properties of the spin -1/2 system.
100 mol/s of liquid acetic acid and 100 mol/s of liquid methanol are fed to a reactor at 120°C and 5 atm[1]. Draw a picture of the reactor and complete the mass balances around it.
A globular cluster at its farthest point from the galactic center is at a distance of 104 pc. What is its period of galactic revolution?
The surface area of the tubes is 45 m2 and the overall heat transfer coefficient is 2100 W/m2-K. Calculate the mass flow rate of cooling water needed and the rate of steam condensenation in the condenser.
The lens of a slide projector with a focal length of a 120 mm projects a slide onto a screen that is 13 m away. How far from the lens must the slide be placed to form a sharp image on the screen? (in cm)
A telescope consists of a mirror with radius of curvature 4.5 m and an eyepiece. If an astronomer would like the telescope to have a magnification of 181, what focal length eyepiece should he use?
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You are a social worker working with foster children. You are making a home visit to Katie, age nine, and her foster family.
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