A green photon 551 nm is absorbed by a free hydrogen atom
A green photon ( = 551 nm) is absorbed by a free hydrogen atom, initially at rest. What is the recoil speed of the hydrogen atom after absorbing the photon? m/s
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A green photon ( = 551 nm) is absorbed by a free hydrogen atom, initially at rest. What is the recoil speed of the hydrogen atom
Water flows in a circular pipe of diameter D at a depth y (< D). The pipe is laid on a constant slope of So and the Manning coefficient is n. At what depth does the maximum flow rate occur
1. the halide ion from HBr will act as the nucleophile in the first step of the reaction 2. the halide ion will act as the nucleophile in the second step of the reaction
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A clean-earth channel, for which n=0.020, is 6m wide and lies on a slope of 0.005236. Water flows at 30m3/s through the channel and enters a reservoir. The water depth in the channel, just before the entry to reservoir, is 3m.
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