Determine the wavelength and frequency of the light
Monochromatic light falls on two very narrow slits 0.050 mm apart. Successive fringes on a screen 5.10 m away are 5.2 cm apart near the center of the pattern. Determine the wavelength (in nm) and frequency of the light (in Hz).
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Successive fringes on a screen 5.10 m away are 5.2 cm apart near the center of the pattern. Determine the wavelength (in nm) and frequency of the light (in Hz).
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A typical American family uses 600 kWh of electricity a month. What is the average current in the 120 V power line to the house? (ans. in Amps) and On average, what is the resistance of a household? (ans. in Ohms)
A No. 22 (dia.=0.62 mm) conducting wire of length 10.0 mhas a resistance of 0.60 O. What would be the resistance of a same diameter conducting wire which has a length of 25.0 m?
Margaret is trying to decide whether or not to place funds in a qualified tuition program. Her son will be attending college in 4 years. She is in the 35 % marginal tax bracket and she believes she can earn 7%.
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