Triangular pulses of light a laser emits triangularupulses of light (? = 905 nm). each pulse has a duration ? -5 ns and contains 1011 photons. the repetition frequency is 10 mhz. question 1: how much radiant energy (in j) does each pulse contain? answer question 2: what is the peak power (in w) of each pulse?question 3: what is the average power (in w) of each pulse? answer question 4: what is the average output power (in w) of the laser?
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Physics, 22.06.2019 00:10
A-of 75 cm by cm by 17.5 cm up. of is 2 kg a , in ,if it is in , kg/?
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Ameter stick is pivoted at the 0.50-m line. a 3.0-kg object is hung from the 0.15-m line. where should a 5.0-kg object be hung to achieve equilibrium (the meter stick oriented horizontal and motionless)?
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Physics, 22.06.2019 07:00
Photoelectrons with a maximum speed of 6.50 x 107 m/s are ejected from a surface in the presence of light with a frequency of 6.75 x 1014hz. if the mass of an electron is 9.10 x 10-31 kg, calculate in joules the maximum kinetic energy of a single electron. 3.84 x 10-15 j 1.92 x 10-15 j 5.92 x 10-23 j 3.07 x 10-16 j
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Physics, 23.06.2019 03:40
Anumber of conditions are required for a population to be in hardy-weinberg equilibrium. which of the following are correct descriptions of the conditions that must be met? check all that apply. a. no mutations b. random mating c. small population d. migration or gene flow e. occurrence of mutations f. no natural selection
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Triangular pulses of light a laser emits triangularupulses of light (? = 905 nm). each pulse has a...
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