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Define about the Puncture?
A dense ideal gas flows out of a small hole in a tire which has a pressure Po inside.
a) Calculate the velocity of gas outside the tire in the vicinity of the hole if the flow is laminar and stationary and the pressure outside is P1.
b) Calculate approximately this velocity for a flow of molecular hydrogen into a vacuum at a temperature T=1000 K. Express this velocity in terms of the velocity of sound inside the tire, S0.
Explain the concept of coherence.Discuss temporal coherence and spatial coherence.
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Light with a wavelength of 454.5 nm passes by two slits that are 95.2 cm from a screen. The distance among the centers of the central band and the first-order band is 15.2 mm.
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At 400.0 K, germanium has 1.13 x 10 15 free electrons/cm 3 . How many free electrons per Ge atom are there at this temperature? At 400.0 K, silicon has 4.54 x 10 12 free
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