Fusion is the process by which the sun produces energy.
Chapter , Problem 50(choose chapter or problem)
Fusion is the process by which the sun produces energy. One experimental technique for creating controlled fusion utilizes a solid-state laser that emits a wavelength of 1060 nm and can produce a power of 1.0 3 1014 W for a pulse duration of 1.1 3 10211 s. In contrast, the helium/ neon laser used in a bar-code scanner at the checkout counter emits a wavelength of 633 nm and produces a power of about 1.0 3 1023 W. How long (in days) would the helium/neon laser have to operate to produce the same number of photons that the solid-state laser produces in 1.1 3 10211 s?
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